# List of the prehistoric life of Louisiana

This list of the prehistoric life of Louisiana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Louisiana.

## Precambrian-Paleozoic

The Paleobiology Database records no known occurrences of Precambrian or Paleozoic fossils in Louisiana.

## Mesozoic

* †Dufrenoyia
** †Dufrenoyia dufrenoyi – or unidentified related form
** †Dufrenoyia texana
* †Hypacanthoplites
* †Parahoplites – tentative report
* †Pseudosaynella
* †Rhytidhoplites
** †Rhytidhoplites robertsi
* Squalicorax
** †Squalicorax pristodontus

## Cenozoic

This list of the Cenozoic life of Louisiana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Louisiana and are between 66 million and 10,000 years of age.

### A

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* †Abderospira
** †Abderospira leblanci
** †Abderospira oviformis
** †Abderospira stewarti
* †Abdounia
** †Abdounia enniskilleni
* Abra
** †Abra nitens
* Shell of an Acanthocardia cockle Acanthocardia
** †Acanthocardia tuomeyi
* †Aciculiscala
** †Aciculiscala jacobi
* Acirsa
** †Acirsa whitneyi
* Aclis – report made of unidentified related form or using admittedly obsolete nomenclature
** †Aclis modesta
* Acteon
** †Acteon annectens
** †Acteon idoneus
** †Acteon pomilius
* Actinocythereis
** †Actinocythereis rosefieldensis
* †Adeorbis
** †Adeorbis sylvaerupis – or unidentified comparable form
* Adrana
** †Adrana aldrichiana
* Life restoration of the Miocene camel Aepycamelus, or the long-necked camel. Heinrich Harder (1920). †Aepycamelus
* †Aesculiidites
** †Aesculiidites circumstriatus
* Aetobatus
* Agaronia
** †Agaronia media
** †Agaronia mississippiensis
* †Alatocythereis – tentative report
* Albula
* †Allomorone
* †Alnipollenites
** †Alnipollenites trina
** †Alnipollenites verus
* A living Alopias, or thresher shark Alopias
** †Alopias latidens
* †Alveinus
** †Alveinus minutus
** †Alveinus sinutus
* Ammospermophilus – tentative report
* †Ampullina
** †Ampullina alabamiensis
* Anadara
** †Anadara vaughani
* Ancilla
** †Ancilla staminea
* Angulogerina
** †Angulogerina byramensis
* †Anisonchus
** †Anisonchus fortunatus – type locality for species
* Anomalinoides
** †Anomalinoides danvillensis
* Anomia
** †Anomia hammetti
** †Anomia lisbonensis
** †Anomia rufa
* Antalis
** †Antalis danvillense
** †Antalis minutistriatum
** †Antalis mississippiense
* Antrozous
* †Aphelops
* Aplodinotus
** †Aplodinotus distortus
** †Aplodinotus gemma
* Architectonica
** †Architectonica acuta
** †Architectonica alveatum
** †Architectonica amoena
** †Architectonica bellense
** †Architectonica bellistriata
** †Architectonica meekana
** †Architectonica ornata
* Arcopagia
** †Arcopagia eburneopsis
** †Arcopagia raveneli
* Arcoscalpellum
** †Arcoscalpellum jacksonensis
* †Arecipites
* A living Ariosoma conger eel Ariosoma
* Arius
* Articulina
** †Articulina byramensis
* Asterigerina
** †Asterigerina subacuta
* Asthenotoma
** †Asthenotoma danvitexa
** †Asthenotoma eximia
** †Asthenotoma strigosa
* Astrangia
** †Astrangia expansa
** †Astrangia ludoviciana – type locality for species
* Multiple views of a fossilized shell of the volute sea snail Athleta Athleta
** †Athleta clayi
** †Athleta haleanus
** †Athleta petrosa
** †Athleta symmetricus
** †Athleta wheelockensis
* Atrina
** †Atrina gardnerae
** †Atrina gravida
** †Atrina jacksoniana
* Fossilized shell of the Paleocene-Miocene nautiloid cephalopod Aturia †Aturia
** †Aturia garretti
** †Aturia laticlavia
* Atys
** †Atys robustoides – or unidentified comparable form
** †Atys salina

### B

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* Balanophyllia
** †Balanophyllia caulifera
** †Balanophyllia irrorata
* Balcis
* Barbatia
** †Barbatia cuculloides
** †Barbatia ludoviciana
* Life restoration of the Eocene whale Basilosaurus †Basilosaurus – type locality for genus
** †Basilosaurus cetoides – type locality for species
* †Basopollis
** †Basopollis obscurocostatus
* Bassariscus
* Bathytoma
** †Bathytoma nonplicata
* Bathytormus
** †Bathytormus clarkensis
** †Bathytormus flexurus
* †Batrachosauroides
* Illustration of a living Belone needlefish Belone
* †Belosaepia
** †Belosaepia uncinata
** †Belosaepia veatchi
* †Bifarina
** †Bifarina vicksburgensis
* Bittium
** †Bittium koeneni
* †Bitubulogerina
** †Bitubulogerina vicksburgensis
* Bolivina
** †Bolivina alazanensis
** †Bolivina beyrichi
** †Bolivina byramensis
** †Bolivina choctawensis
** †Bolivina cookei
** †Bolivina costifera
** †Bolivina gracilis
** †Bolivina jacksonensis
* Bolivinella
** †Bolivinella subpectinata
** †Bolivinella vicksburgensis
* †Bombacacidites
* †Bonellitia
** †Bonellitia jacksonica
* †Bootherium
** Fossilized skeleton of the Pleistocene-Holocene bovid Bootherium bombifrons, or Harlan's musk ox. †Bootherium bombifrons
* Brachidontes
** †Brachidontes alabamensis
** †Brachidontes stubbsi
** †Brachidontes texanus
* †Brachyerix
** †Brachyerix incertis – or unidentified comparable form
* †Brachysporites
* Bregmaceros
** †Bregmaceros troelli
* †Bregmoceras
* †Bristocorbula
** †Bristocorbula fossata
* †Brychaetus
* Buccella
** †Buccella vicksburgensis
* Bulimina
** †Bulimina ovata
* Buliminella
** †Buliminella nuda
* Illustration of the shell of a Bullia nassa mud sea snail Bullia
** †Bullia ellipticum
* †Bullinella
* Buntonia
** †Buntonia huneri

### C

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* Cadulus
** †Cadulus abruptus
** †Cadulus jacksonensis
** †Cadulus margarita
** †Cadulus ouachitensis
** †Cadulus subcoarcuatus
* Caestocorbula
** †Caestocorbula fossata
** †Caestocorbula wailesiana
** †Caestocorbula wailsiana
* †Calamuspollenites
* †Calapa
* Callista
** †Callista annexa
** †Callista pearlensis
** †Callista perovata
* †Calorhadia
** †Calorhadia aldrichiana
** †Calorhadia bella
** †Calorhadia equalis
** †Calorhadia opulenta
** †Calorhadia reginajacksonis
** †Calorhadia semen
* Three modern shells of Calyptraea, or Chinese hat snails Calyptraea
** †Calyptraea alta
* †Calyptraphorus
** †Calyptraphorus aldrichi
** †Calyptraphorus stamineus
** †Calyptraphorus trinodiferus
** †Calyptraphorus velatus
* Capulus
** †Capulus americanus
* Carcharhinus
** †Carcharhinus gibbesi
* †Carcharochles
** †Carcharochles auriculatus
* Cardium
* A living Caretta caretta, or loggerhead sea turtle Caretta
* †Caricella
** †Caricella demissa
** †Caricella howei
** †Caricella ludoviciana
** †Caricella polita
** †Caricella stenzeli
** †Caricella subangulata
** †Caricella turneri
* †Caryapollenites
** †Caryapollenites prodromus-imparalis type
** †Caryapollenites simplex
* Caryocorbula
** †Caryocorbula densata
** †Caryocorbula deusseni
** †Caryocorbula willistoni
* A living Caryophyllia solitary coral Caryophyllia
** †Caryophyllia dalli – type locality for species
* †Casurinidites
** †Casurinidites pulcher
* †Cedripites
* Celleporaria
** †Celleporaria granulosa
* †Centalium
* †Centroberys
* Centroberyx
* Centropristis
* †Cercidiphyllites
* Illustration of a shell of a Cerithiella cerith sea snail Cerithiella
** †Cerithiella jacksonensis
** †Cerithiella ouachitensis
* Chama
* †Chenopodipollis
* †Chiloguembelina
** †Chiloguembelina cubensis
* †Chilogumbelina
** †Chilogumbelina cubensis
* Chiton
* Chlamys
** †Chlamys danvillensis
** †Chlamys nupera
** †Chlamys wahtubbeana
* Chrysalogonium
** †Chrysalogonium vicksburgense
* Test of a Cibicides foraminiferan Cibicides
** †Cibicides americanus
** †Cibicides choctawensis
** †Cibicides lobatulus
** †Cibicides mississippiensis
** †Cibicides pseudoungerianus
** †Cibicides sassei
* †Cicatricosisporites
** †Cicatricosisporites dorogensis
* Cirsotrema
** †Cirsotrema danvillense
** †Cirsotrema nassulum
** †Cirsotrema ranellinum
* Citharichthys
* Multiple views of a fossilized shell of the Paleocene-Pliocene spindle sea snail Clavilithes Clavilithes
** †Clavilithes humerosus
** †Clavilithes kennedyanus
** †Clavilithes penrosei
** †Clavilithes regexus
** †Clavilithes texanus
* Closia
** †Closia larvata
** †Closia semen
** †Closia semenoides
* Cochlespira
** †Cochlespira bella
** †Cochlespira columbaria
** †Cochlespira terebralis
* †Cochlespirella
** †Cochlespirella nana
* †Cocoaia
* Columbellopsis
** †Columbellopsis mississippiensis
* Cominella – or unidentified comparable form
** †Cominella pachecoi
* A living Conger Conger
** †Conger dissimilis
** †Conger fornicatus
* †Congeris
** †Congeris brevior
* Conomitra
** †Conomitra fusoides
** †Conomitra hammakeri
** †Conomitra jacksonensis
** †Conomitra texana
* Conopeum
* †Conorbis
** †Conorbis alatoideus
* Fossilized shell of a Conus cone snail Conus
** †Conus alleni – type locality for species
** †Conus sauridens
* †Converrucosisporites
* †Copemys
* †Coptostoma
** †Coptostoma ulmulum
* Coralliophila
** †Coralliophila aldrichi
* Corbula
** †Corbula cappa
* Cordieria
** †Cordieria ludoviciana
* Fossilized skeleton preserved in situ (upper left, 2) of the Miocene-Pliocene horse Cormohipparion †Cormohipparion
** †Cormohipparion goorisi – or unidentified comparable form
* †Cornulina
** †Cornulina dalli
** †Cornulina minax
** †Cornulina triseralis
* Cornuspira
** †Cornuspira byramensis
* †Coronia
** †Coronia childreni
** †Coronia conjuncta
** †Coronia coraliger
** †Coronia genitiva
** †Coronia lerchi
** †Coronia ludonorma
** †Coronia margaritosa
** †Coronia montgomeryensis
** †Coronia nodulina
** †Coronia nucleata
** †Coronia obsolescens
** †Coronia parvidens
** †Coronia plentopsis
** †Coronia wateletella
** †Coronia weisbordi
* Crassatella
** †Crassatella negreetensis
** †Crassatella texalta
** †Crassatella trapaquara
* Crassinella
** †Crassinella pygmaea
* Crepidula
** †Crepidula lirata
* Fossil of the Early Cretaceous-Eocene shark Cretolamna †Cretolamna
** †Cretolamna lerichei
* Crocodylus
* †Cubitostrea
** †Cubitostrea divaricata
** †Cubitostrea lisbonensis
** †Cubitostrea sellaeformis
* †Cupanieidites
* †Cupuliferoipollenites
* Cuspidaria
** †Cuspidaria multiornata
* †Cyathedites
* †Cybium
* Electron micrograph of the shell of a Cyclammina foraminiferan Cyclammina
** †Cyclammina caneriverensis
* Cylichnella
** †Cylichnella bitruncata
* †Cylindracanthus
** †Cylindracanthus rectus
* Cymatosyrinx
** †Cymatosyrinx dorseyi
** †Cymatosyrinx palmerae
* †Cynarctus
* Cypraedia
** †Cypraedia fenestralis
* †Cypraeorbis
** †Cypraeorbis ventripotens
* Cytherella
* Cytherelloidea
** †Cytherelloidea byramensis
** †Cytherelloidea chawneri
* Cytheromorpha
** †Cytheromorpha rosefieldensis

### D

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* A living Dasyatis stingray Dasyatis
* †Dasyostoma
** †Dasyostoma rugostoma
* †Deltoidospora
* Dendrophyllia
** †Dendrophyllia lisbonensis
** †Dendrophyllia striata – type locality for species
* Dentalina
** †Dentalina emaciata
** †Dentalina filiformis
** †Dentalina hantkeni
** †Dentalina monroei
** †Dentalina praecatesbyi
** †Dentalina pseudoinvolons
* Dentalium
** †Dentalium jacksonense
** †Dentalium microstria
** †Dentalium minutistriatum
** †Dentalium mississippiense
* †Dicellaesporites
** †Dicellaesporites popovii
* †Dicorbitura
** †Dicorbitura dignata
* †Digmocyhere
* A living Diodon, or porcupinefish Diodon
* Diodora
** †Diodora alabama
** †Diodora tenebrosa
* Diplodonta
** †Diplodonta anterproductus
** †Diplodonta bulla
** †Diplodonta inflata
* †Diporicellaesporites
** †Diporicellaesporites psilatus
** †Diporicellaesporites reticulatus
* †Diporisporites
** †Diporisporites type 2 informal
* †Discocyclina
** †Discocyclina advena
* Discorbis
** †Discorbis subaraucana
* †Discotrochus
** †Discotrochus orbignianus
* Shell of a Distorsio sea snail Distorsio
* †Divisisporites
** †Divisisporites enormis
* †Dolicholatirus
** †Dolicholatirus leaensis
* †Dontogryphaea
** †Dontogryphaea thirsae
* Dorsanum
** †Dorsanum scalatum
* †Dyadosporonites
** †Dyadosporonites schwabii
* †Dyseohyus

### E

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* †Eburneopecten
** †Eburneopecten corneoides
** †Eburneopecten scintillatus
* Echinocythereis
** †Echinocythereis mcguirti
* †Ectinochilus
** †Ectinochilus stenzeli
* †Edaphocyon – tentative report
* †Ekokenia
* Test of Elphidium, an Eocene to modern foraminiferan Elphidium
** †Elphidium latispatium
* Endopachys
** †Endopachys lonsdalei
** †Endopachys maclurii
* Entosolenia
** †Entosolenia orbignyana
* †Eocithara
** †Eocithara jacksonensis
* †Eoclathurella
** †Eoclathurella jacksonica
** †Eoclathurella obesula
* †Eodrilla
** †Eodrilla lonsdalei
** †Eodrilla lonsdallii
* †Eodrillia
** †Eodrillia texana
* Eoeponidella
** †Eoeponidella meyerhoffi
* †Eophysema
** †Eophysema ozarkana
* †Eopleurotoma
** †Eopleurotoma carya
** †Eopleurotoma gemmaria
** †Eopleurotoma ouachitensis
** †Eopleurotoma plumbella
** †Eopleurotoma sabinaria
* †Eosurcula
** †Eosurcula moorei
** †Eosurcula sanctimauritii
* †Ephedripites
** †Ephedripites voluta
* Epistominella
** †Epistominella danvillensis
* Shell of an Epitonium wentletrap sea snail Epitonium
** †Epitonium kingae
** †Epitonium multiliniferum
** †Epitonium unilineata
* Eponides
** †Eponides byramensis
* Equus
** †Equus complicatus
** †Equus fraternus
** †Equus intermedius – type locality for species
* †Ericipites
* †Eucheilodon
** †Eucheilodon crenocarinata
* A living Eumeces skink Eumeces
* Eurytellina
** †Eurytellina linifera
* †Euscalpellum
** †Euscalpellum eocenense
* Euspira
** †Euspira jacksonensis
* †Expressipollis
* †Extratriporopollenites

### F

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* Falsifusus
** †Falsifusus bastropensis
** †Falsifusus harrisi
** †Falsifusus ludlovicianus
* †Favitricolporites
** †Favitricolporites baculoferous
* †Ficopsis
** †Ficopsis penita
** †Ficopsis texana
* A living Ficus, or fig tree Ficus
** †Ficus filia
** †Ficus merita
* Fissurella
** †Fissurella alabama
* Flabellum
** †Flabellum cuneifome
** †Flabellum cuneiforme
** †Flabellum lerchi – type locality for species
** †Flabellum wailesii
* †Frizzellithus
** †Frizzellithus gemma
* Fursenkoina
** †Fursenkoina punctata
* †Fusiformisporites
** †Fusiformisporites crabbii
* Fusimitra
** †Fusimitra millingtoni
* A living Fusinus sea snail Fusinus
** †Fusinus insectoides
* †Fusitoma
** †Fusitoma sipha
* Fustiaria
** †Fustiaria danai

### G

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* A living Galeocerdo requiem shark Galeocerdo
** †Galeocerdo alabamensis
** †Galeocerdo clarkensis
** †Galeocerdo contortus
* Galeodea
** †Galeodea koureos
** †Galeodea planotecta
* Galeorhinus
** †Galeorhinus huberensis
* Gari
** †Gari jacksonensis
* Gegania
** †Gegania antiquata
* Genota
** †Genota heilprini
* Fossilized shell of the Eocene-Miocene foam oyster Gigantostrea †Gigantostrea
** †Gigantostrea trigonalis
* Ginglymostoma
** †Ginglymostoma serra
* †Gleicheniidites
* Globigerina
** †Globigerina ouachitaensis
* Globobulimina
** †Globobulimina pyrula
* Globorotalia
** †Globorotalia centralis
** †Globorotalia cerroazulensis
* Globulina
** †Globulina gibba
* Glycymeris
** †Glycymeris filosa
** †Glycymeris idonea
** †Glycymeris trigonella
* Glyptoactis
** †Glyptoactis alticostata – or unidentified comparable form
** †Glyptoactis complexicosta
** †Glyptoactis trapaquara
* Mounted fossilized skeleton of the Pleistocene armadillo relative Glyptotherium †Glyptotherium
** †Glyptotherium floridanum – or unidentified comparable form
* †Glyptotoma
** †Glyptotoma crassiplicata
** †Glyptotoma fisherana
* Gnathophis
** †Gnathophis dissimilis
* †Gomphotherium
* Guttulina
** †Guttulina austriaca
** †Guttulina byramensis
* Gyroidina
** †Gyroidina danvillensis
** †Gyroidina vicksburgensis
* Gyroidinoides
** †Gyroidinoides danvillensis

### H

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* †Haimesiastraea
** †Haimesiastraea conferta
* †Hamulatisporites
** †Hamulatisporites amplus
* Hanzawaia
** †Hanzawaia mauricensis
* Shells in differing orientations of Hastula augur sea snails Hastula
** †Hastula houstonia
* Haustator
** †Haustator carinata
** †Haustator perdita
** †Haustator rina
* Hemipristis
** †Hemipristis curvatus
** †Hemipristis wyattdurhami
* Hemisinus
** †Hemisinus jacksonius
* †Hemisurcula
** †Hemisurcula silicata
* A living Heterodontus, or bullhead shark Heterodontus
** †Heterodontus pineti
* Heterostegina
* Hexaplex
** †Hexaplex katherinae
** †Hexaplex marksi
** †Hexaplex silvaticus
** †Hexaplex supernus
* †Hilgardia
** †Hilgardia multilineata
* Hipponix
** †Hipponix pygmaea
** †Hipponix pygmaeus
* †Homomya
** †Homomya hamatoides
* Hoplopteron
** †Hoplopteron elegans
* †Hypolagus – or unidentified comparable form
* †Hypoxylon

### I

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* †Ilexpollenites
* †Inapertisporites
* †Inaperturopollenites
* †Infracoronia
** †Infracoronia ludoviciana
* †Involutisporites
* †Involutisporonites
* A modern Isurus, or mako shark Isurus
** †Isurus praecursor

### J

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* †Jefitchia
** †Jefitchia claybornensis
* †Jonus
** †Jonus tortilis
* Jugosocythereis

### K

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* †Kapalmerella
** †Kapalmerella alveata
** †Kapalmerella arenicola
** †Kapalmerella mortoni
** †Kapalmerella pleboides
* Kelliella
** †Kelliella boettgeri
* †Kyandopollenites
** †Kyandopollenites anneratus

### L

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* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
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* R
* S
* T
* U
* V
* W
* X
* Y
* Z
* †Lacrimasporonites
** †Lacrimasporonites basidii
* Lactarius
* †Laevigatosporites
* Lagena
** †Lagena hexagona
* Lamarckina
** †Lamarckina byramensis
** †Lamarckina claibornse
* A modern Lamna mackerel shark Lamna
** †Lamna lerichi
* †Lapparia
** †Lapparia cancellata
** †Lapparia dumosa
** †Lapparia mooreana
* Latirus
** †Latirus humilior
** †Latirus moorei
** †Latirus tortillis
* †Leiotriletes
* Lenticulina
** †Lenticulina catahoulaensis
** †Lenticulina cultrata
** †Lenticulina danvillensis
** †Lenticulina rotulata
** †Lenticulina vicksburgensis
* †Lepidocyclina
** †Lepidocyclina supera
* †Levifusus
** †Levifusus branneri
** †Levifusus fulguriparens
** †Levifusus identus
** †Levifusus mortoniopsis
** †Levifusus pagodiformis
** †Levifusus prepagoda
** †Levifusus supraplanus
** †Levifusus trabeatus
* †Liliacidites
* Lima
* †Limnoecus
** †Limnoecus niobrarensis
* Limopsis
** †Limopsis aviculoides
** †Limopsis radiata
* †Linthia
** †Linthia hollandi – type locality for species
* †Liquidambarpollenites
* †Lirodiscus
** †Lirodiscus jacksonensis
** †Lirodiscus pretriangulata
** †Lirodiscus smithvillensis
* †Lirofusus
** †Lirofusus thoracicus
* †Lithophysema
** †Lithophysema grande
* †Litorhadia
** †Litorhadia albirupina – tentative report
** †Litorhadia compsa
** †Litorhadia mater
* Loxoconcha
** †Loxoconcha woodwordensis
* Lucina
** †Lucina atoma
** †Lucina perminuta
* Lunulites
** †Lunulites bassleri
* †Lusatisporites
* †Lycopodiumsporites
* †Lyrosurcula
** †Lyrosurcula acuta
** †Lyrosurcula columbiana
** †Lyrosurcula dalli
** †Lyrosurcula elegans
** †Lyrosurcula obsoleta
** †Lyrosurcula shaleri

### M

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* M
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* X
* Y
* Z
* Macrocallista
* Madracis
** †Madracis ganei – type locality for species
** †Madracis gregorioi
* Madrepora
** †Madrepora natchitochensis – type locality for species
* Restoration of a Mammut americanum, or American mastodon †Mammut
* †Margaritaria
** †Margaritaria inexpectens
* Marginella
** †Marginella constrictoides
* Marginulina
** †Marginulina variata
* Marginulinopsis
** †Marginulinopsis fragaria
* †Margocolporites
** †Margocolporites kruschii
* Martesia
* Massilina
** †Massilina pratti
* †Mauricia
** †Mauricia houstonia
* †Mazzalina
** †Mazzalina plena
* Melanella
** †Melanella jacksonensis
** †Melanella wheeleri
* Melonis
** †Melonis planatum
* Meretrix
** †Meretrix nuttalliopsis
** †Meretrix nuttelliopsis
* Life restoration of the Miocene three-toed horse Merychippus †Merychippus
** †Merychippus gunteri
* †Merychyus
* Mesalia
** †Mesalia claibornensis
** †Mesalia vetusta
* Metula
** †Metula johnsoni
** †Metula subgracilis
* †Michela
** †Michela trabeatoides
* Microdrillia
** †Microdrillia minutissima
** †Microdrillia ouachitae
** †Microdrillia robustula
* †Microfoveolatosporis
** †Microfoveolatosporis pseudodentatus
* †Microfoveolatosporites
* †Microreticulatisporites
* Miltha
** †Miltha gaufia
* †Miomustela
* Mitrella
** †Mitrella alabamensis
** †Mitrella casteri
** †Mitrella parva
* Mnestia
** †Mnestia dekayi
** †Mnestia meyeri
* Modiolus
* †Momipites
* †Monoporisporites
* †Monoptygma
** †Monoptygma crassiplicum
* †Morozovella
** †Morozovella aragonensis
* †Multicellaesporites
* Myliobatis
* Life restoration of the Pleistocene-Holocene ground sloth Mylodon with an inset depicting its excrement and a skin fragment †Mylodon
** †Mylodon harlanii
* †Myripistis
* Myripristis
* Myrtea
** †Myrtea curta

### N

* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
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* T
* U
* V
* W
* X
* Y
* Z
* †Nannipus
* A living Nassarius, or nassa mud snail Nassarius
** †Nassarius albirupina
** †Nassarius exilis
** †Nassarius hilli
** †Nassarius jacksonensis
** †Nassarius magnocostata
* †Natchitochia – type locality for genus
** †Natchitochia jonesi – type locality for species
* Natica
** †Natica aperta
** †Natica permunda
* A living Naticarius moon sea snail Naticarius – or unidentified comparable form
** †Naticarius semilunata
* Nemocardium
** †Nemocardium gambrinum
** †Nemocardium nicoletti
** †Nemocardium nicolletti
** †Nemocardium salrivale
* †Neobythitinarum – report made of unidentified related form or using admittedly obsolete nomenclature
** †Neobythitinarum meyeri
* †Neobythitinorum – report made of unidentified related form or using admittedly obsolete nomenclature
** †Neobythitinorum meyeri
* †Neoepenoides
** †Neoepenoides antillarum
* †Neozanthopsis
** †Neozanthopsis americana
* Neverita
** †Neverita limula
* Shell of a Niso sea snail Niso
* Nodosaria
** †Nodosaria pyrula
** †Nodosaria vertebralis
* Nonion
** †Nonion advenum
** †Nonion alabamense
** †Nonion decoratum
* Nonionella
** †Nonionella hantkeni
** †Nonionella jacksonensis
** †Nonionella tatumi
* †Nototamias
* Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula Nucula
** †Nucula magnifica
** †Nucula mauricensis
** †Nucula ovula
** †Nucula smithvillensis – or unidentified comparable form
** †Nucula sphenopsis
** †Nucula yazooensis
* Nuculana
** †Nuculana corpulentoidea
** †Nuculana fiski – type locality for species
** †Nuculana magna
** †Nuculana ovula
** †Nuculana wautubbeana
* †Nudopollis
** †Nudopollis terminalis
** †Nudopollis theirgartii – or unidentified related form

### O

* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
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* W
* X
* Y
* Z
* A living Odontaspis sand shark Odontaspis
** †Odontaspis hopei
* †Odontogryphaea
** †Odontogryphaea thirsae
* †Odontopolys
** †Odontopolys compsorhytis
* Odostomia
** †Odostomia trapaquara
* Operculina
* †Ophichthyidarum – report made of unidentified related form or using admittedly obsolete nomenclature
** †Ophichthyidarum brevior
* Orthopristis
* †Orthosurcula
** †Orthosurcula adeona – or unidentified related form
** †Orthosurcula indenta
** †Orthosurcula longipersa
** †Orthosurcula persa
* Orthoyoldia
** †Orthoyoldia kindlei
** †Orthoyoldia psammotaea
* †Osmundacidites
* A living Ostracion boxfish †Ostracion
** †Ostracion meretrix
* Ostrea
** †Ostrea compressirostra – or unidentified comparable form
** †Ostrea crenulimarginata
** †Ostrea falco
** †Ostrea multilirata
** †Ostrea sylvaerupis
* Otionella
* †Ovoidites

### P

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* B
* C
* D
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* M
* N
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* P
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* †Pachecoa
** †Pachecoa decisa
** †Pachecoa ellipsis
** †Pachecoa pulchra
* Petrified trunk segment of the Late Cretaceous-Miocene palm wood Palmoxylon †Palmoxylon
** †Palmoxylon cellulosum
** †Palmoxylon quenstedi
* †Papillina
** †Papillina dumosa
* Paraconger
* Paracyathus
** †Paracyathus alternatus – type locality for species
** †Paracyathus bellus
* Paracypris
** †Paracypris rosefieldensis
* Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon †Paramylodon
** †Paramylodon harlani – type locality for species
* Parasmilia
** †Parasmilia ludoviciana – type locality for species
* †Parcypris
* Parvilucina
** †Parvilucina sabelli
* †Patulaxis
** †Patulaxis scrobiculata
* Pecten
** †Pecten perplanus
* †Pediastrum
* An apertural view of a shell of Penion maximus. Penion
** †Penion penrosei
* Periploma
** †Periploma claibornense
** †Periploma collardi
** †Periploma howei – type locality for species
* †Perotriletes
* †Pesavis
** †Pesavis tagulensis
* †Petauristodon
* Petrophyllia
** †Petrophyllia vernonensis – type locality for species
** †Petrophyllia vicksburgensis
* Shell of a Phalium, or bonnet shell sea snail Phalium
** †Phalium brevicostatum
** †Phalium taitii
* Pholadomya
** †Pholadomya harrisi
* Phos
** †Phos sagenum
** †Phos texanum
* Picea
** †Picea critchfieldii
* †Piceapollenites
* †Pilicatula
** †Pilicatula filamentosa
* Pinna
** †Pinna gardnerae
* †Pinuspollenites
* †Pistillipollenites
** †Pistillipollenites mcgregorii
* Shell of a Pitar venus clam Pitar
** †Pitar securiformis
** †Pitar trigoniata
* †Plagiarca
** †Plagiarca rhomboidella
** †Plagiarca vaughani
* Plagiocardium
* Planorbulina
** †Planorbulina mediterranensis
* Planularia
* Planulina
** †Planulina ouachitaensis
* †Platycaryapollenites
** †Platycaryapollenites platycaryoides
* †Platyoptera
** †Platyoptera extenta
* Platytrochus – type locality for genus
** †Platytrochus elegans – type locality for species
* †Pleuricellaesporites
* Pleurofusia
** †Pleurofusia danvicola
** †Pleurofusia evanescens
** †Pleurofusia fluctuosa
** †Pleurofusia huppertzi
** †Pleurofusia subservata
* †Pleuroliria
** †Pleuroliria crenulosa
** †Pleuroliria jacksonella
** †Pleuroliria simplex
* Pleuromeris
** †Pleuromeris inflatior
** †Pleuromeris inflator
* Pleurotomella
** †Pleurotomella veatchi
* Plicatula
** †Plicatula filamentosa
** †Plicatula louisiana
* Podocarpus
* Fossilized shell of the Paleocene-modern moon snail Polinices Polinices
** †Polinices aratus
** †Polinices harrisii
** †Polinices julianna
** †Polinices weisbordi
* †Pollinices
** †Pollinices harrisii
* †Polycolporopollenites
* Polymorphina
** †Polymorphina advena
* †Polypodium
* Polyschides
** †Polyschides margarita
* Pontocythere
* †Pontogeneus – type locality for genus
** †Pontogeneus priscus – type locality for species
* †Porocolpopollenites
* Poromya
** †Poromya mississippiensis
* †Porticulasphaera
** †Porticulasphaera index
* †Preophidion
** †Preophidion meyeri
* †Priscoficus
** †Priscoficus juvenis
* Fossilized skeleton of the Eocene bony fish Pristigenys Pristigenys
** †Pristigenys obliquus
* Pristipomoides
* Pristis
** †Pristis lathami
* †Projenneria
** †Projenneria ludoviciana – type locality for species
* Propeamussium
** †Propeamussium squamulum – or unidentified comparable form
* †Propristis
** †Propristis schweinfurthi
* †Prosynthetoceras
** †Prosynthetoceras francisi
* †Proteacidites
* †Protosurcula
** †Protosurcula gabbii
* †Pseudohastigerina
** †Pseudohastigerina micra
* Shell in multiple views of a Pseudolatirus spindle sea snail †Pseudolatirus
** †Pseudolatirus tortilis
* Pseudoliva
** †Pseudoliva santander
** †Pseudoliva vetusta
* Pseudoneptunea – or unidentified comparable form
** †Pseudoneptunea harrisi
* Pseudononion
** †Pseudononion spissus
* †Pseudoparablastomeryx
* Pseudophichthys
* †Pseudoplicapollis
* Pteria
** †Pteria limula
* †Pterocaryapollenites
* †Pteropsella
** †Pteropsella lapidosa
* †Pterosphenus
** †Pterosphenus schucherti
* Pterynotus
** †Pterynotus sabinola
** †Pterynotus weisbordi – type locality for species
* Assemblage of fossilized shells of the Cretaceous-Pleistocene oyster Pycnodonte Pycnodonte
** †Pycnodonte ludoviciana
** †Pycnodonte sylvaerupis
** †Pycnodonte trigonalis
** †Pycnodonte vicksburgensis
* Pyramidella
** †Pyramidella lapinaria
** †Pyramidella meyeri
** †Pyramidella perexilis
* †Pyramimitra
** †Pyramimitra terebraeformis
* Pythonichthys – or unidentified comparable form

### Q

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* †Quadrapollenites
* †Quercoidites
* Shell of a Quinqueloculina foraminiferan Quinqueloculina
** †Quinqueloculina cookei
** †Quinqueloculina vicksburgensis

### R

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* Raphitoma
** †Raphitoma nucleola
* A living Retusa barrel bubble sea snail Retusa
** †Retusa adamsi
** †Retusa galba
** †Retusa jacksonensis
** †Retusa kellogii
* Reussella
** †Reussella byramensis
** †Reussella oligocenica
* †Rhabdopitaria
** †Rhabdopitaria winnensis
* A school of living Rhinoptera, or cownose rays Rhinoptera
* Rhizoprionodon
* Rhizorus – or unidentified comparable form
** †Rhizorus minutissimus
** †Rhizorus wellsi
* Rhynchoconger
* Rimella
** †Rimella texanum
* †Ringicardium
** †Ringicardium harrisi
* Ringicula
** †Ringicula butleriana
** †Ringicula trapaquara
* †Rotalia
** †Rotalia byramensis
* †Rudiscala
** †Rudiscala harrisi

### S

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* X
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* Z
* Saracenaria
** †Saracenaria moresiana
* Sassia
** †Sassia jacksonensis
** †Sassia septemdentata
* Scaphella – or unidentified comparable form
** †Scaphella newcombiana
* Schizaster
** †Schizaster armiger
* †Schizosporis
** †Schizosporis paleocenicus
* Sciaena
** †Sciaena pseudoradians
** A living Sciaena umbra, or brown meagre †Sciaena umbra
* †Sciaenidarium
** †Sciaenidarium claybornensis
* Scobinella
** †Scobinella famelica
** †Scobinella hammettensis
** †Scobinella louisianae
** †Scobinella newtonensis
** †Scobinella transitionalis
* †Sequoidendron
* Serpulorbis
** †Serpulorbis chavani
* Sigmomorphina
** †Sigmomorphina jacksonensis
** †Sigmomorphina pulchra
** †Sigmomorphina semitecta
* †Sigmopollis
* Simnia
** †Simnia subtruncata
* †Sinistrella
** †Sinistrella americana
* Several views of the shell of a Sinum moon snail Sinum
** †Sinum danvillense
** †Sinum fiski – type locality for species
** †Sinum jacksonense
* Siphonalia
** †Siphonalia sullivani
* Siphonina
** †Siphonina advena
** †Siphonina jacksonensis
* Sirembo – or unidentified related form
* †Skenae
** †Skenae pignus
* Solariella
** †Solariella tricostata
* Solariorbis
** †Solariorbis subangulatus
* Solen
** †Solen pendletonensis – type locality for species
* †Sparidarum – report made of unidentified related form or using admittedly obsolete nomenclature
* †Sphaerocypraea
** †Sphaerocypraea jacksonensis
* A living Sphyraena, or barracuda Sphyraena
** †Sphyraena major
* †Spinaepollis
** †Spinaepollis spinosus
* Spirillina
** †Spirillina vicksburgensis
* Spiroloculina
* Spiroplectammina
** †Spiroplectammina howei
** †Spiroplectammina mississippiensis
* †Spirotextularia
** †Spirotextularia mississippiensis
* Spisula
** †Spisula jacksonensis
** †Spisula parilis
** †Spisula praetenuis – or unidentified comparable form
* Shell of a Spondylus, or spiny oyster Spondylus
* †Sterisporites
** †Sterisporites bimammatus
** †Sterisporites buchenauensis
** †Sterisporites bujargensis
** †Sterisporites steroides
* †Sulcocypraea
** †Sulcocypraea healeyi
** †Sulcocypraea vaughani
* †Sullivania
** †Sullivania fisherensis
* †Surculoma
** †Surculoma falsabenes
** †Surculoma kellogii
** †Surculoma sabinicola
** †Surculoma stantoni
* Sveltella
** †Sveltella parva

### T

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* Taxodium
* Teinostoma
** †Teinostoma barryi
* Restoration of the Miocene-Pliocene rhinoceros Teleoceras †Teleoceras
* Tellina
** †Tellina bellsiana
** †Tellina estellensis
** †Tellina vicksburgensis
* Tenagodus
** †Tenagodus vitis
* Terebra
** †Terebra abditiva
** †Terebra jacksonensis
** †Terebra texagyra
* †Terebrifusus – tentative report
* Teredo
** †Teredo mississippiensis
* †Tetraporina
* †Texomys
** †Texomys ritchiei
* †Textualaria
** †Textualaria tumidula
* Fossilized shell of the Carboniferous-modern foraminiferan Textularia Textularia
** †Textularia dibollensis
* †Thompsonipollis
** †Thompsonipollis magnificus
* †Tiburnus
** †Tiburnus eboreus
* †Tiliaepollenites
* Trachycardium
** †Trachycardium ouachitense
* †Triagnulocypris
** †Triagnulocypris gibsonensis – tentative report
* Illustration of a living Trichiurus cutlassfish Trichiurus
** †Trichiurus sagittidens
* †Tricolpites
** †Tricolpites hians
* †Tricolpopollenites
** †Tricolpopollenites geranoides
* †Tricolporopollenites
* Trigonostoma
** †Trigonostoma babylonicum
** †Trigonostoma panones
** †Trigonostoma selectum
* Trigonulina
** †Trigonulina satex
* Triloculina
** †Triloculina byramensis
** †Triloculina sculptura
* †Trinacria
** †Trinacria microcancellata – or unidentified comparable form
* †Triplanosporites
* †Triporopollenites
** †Triporopollenites bituitus
* †Tritonatractus
** †Tritonatractus pearlensis
* †Tritonidea
** †Tritonidea pachecoi
* Trochita
** †Trochita aperta
* Trochocyathus
** †Trochocyathus montgomeriensis
* †Tropisurcula
** †Tropisurcula crenula
* †Trudopollis
* †Truncorotaloides
** †Truncorotaloides danvillensis
* †Trypanotoma
** †Trypanotoma obtusa
** †Trypanotoma terebriformis
* †Turbinolia
** †Turbinolia pharetra
** †Turbinolia subtercisa
** †Turbinolia tenuis
** †Turbinolia vicksburgensis
* A living Turbonilla parasitic pyram sea snail Turbonilla
** †Turbonilla major – tentative report
* Turricula
** †Turricula nasuto
** †Turricula plenta
** †Turricula plutonica
* †Turrilina
** †Turrilina robertsi
* Turris
** †Turris capax
** †Turris kerenensis
** †Turris rockscreekensis
** †Turris siphus
* Fossilized shells of the Late Jurassic-modern tower snail Turritella Turritella
** †Turritella aldrichi
** †Turritella bellifera
** †Turritella bunkerhillensis
** †Turritella clevelandia
** †Turritella creola
** †Turritella dutexata
** †Turritella eurynome
** †Turritella gardnerae – type locality for species
** †Turritella multilira
** †Turritella nasuta
** †Turritella praecincta
* †Tythonichthys – or unidentified comparable form

### U

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* B
* C
* D
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* F
* G
* H
* I
* J
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* L
* M
* N
* O
* P
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* Z
* †Ulmipollenites
* Umbraculum
** †Umbraculum planulatum
* Umbrina
** †Umbrina gemma – or unidentified related form
* †Undulatisporites
* Uroconger
* Uromitra
** †Uromitra grantensis
* Ursus
** A living Ursus americanus, or American black bear †Ursus americanus
* Uvigerina
** †Uvigerina gardnerae
** †Uvigerina jacksonensis
** †Uvigerina vicksburgensis

### V

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* P
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* Z
* Vaginulina
* A living Vasum, or vase sea snail Vasum
** †Vasum humerosum
* Venericardia
** †Venericardia apodensata
** †Venericardia bashiplata
** †Venericardia carsonensis
** †Venericardia densata
** †Venericardia diversidentata
** †Venericardia gardnerae – type locality for species
** †Venericardia klimacodes
** †Venericardia natchitoches
** †Venericardia rotunda
** †Venericardia sabinensis – type locality for species
* †Verrucatosporites
** †Verrucatosporites prosecundus
** †Verrucatosporites spp,
* Verticordia
** †Verticordia cossmanni
** †Verticordia sotoensis
* †Virgulina
** †Virgulina vicksburgensis
* †Vokesula
** †Vokesula aldrichi
* A living Voluta sea snail Voluta
** †Voluta newcombiana
* †Volvaria
** †Volvaria reticulata

### X

* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z
* Xenistius – or unidentified related form
* Fossilized shell of the Late Cretaceous-modern carrier shell sea snail Xenophora Xenophora
** †Xenophora reclusa
* †Xiphiorhynchus

### Y

* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z
* Yoldia
** †Yoldia hammetti
** †Yoldia kindlei

### Z

* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z
* Life restoration of the Eocene whale Zygorhiza †Zygorhiza
** †Zygorhiza kochii