# List of the Mesozoic life of Delaware

This list of the Mesozoic life of Delaware contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Delaware and are between 252.17 and 66 million years of age.

## A

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* A living Acteon barrel bubble sea snail †Acteon
** †Acteon cretacea
* †Acutostrea
** †Acutostrea plumosa
* †Aenona – tentative report
** †Aenona eufaulensis
* †Agerostrea
** †Agerostrea mesenterica
* †Amaurellina
** †Amaurellina stephensoni
* †Ambigostrea
** †Ambigostrea tecticosta
* Fossilized shell of the Jurassic-Miocene sea snail Ampullina †Ampullina
** †Ampullina lepta
** †Ampullina lirata
** †Ampullina meekana
* †Anaklinoceras
** †Anaklinoceras reflexum
** †Anaklinoceras tenuicostatum
* †Anchura – tentative report
* †Anisomyon – tentative report
** †Anisomyon borealis
** †Anisomyon jessupi
* †Anomalofusus
** †Anomalofusus substriatus – tentative report
* Interior and exterior of a shell of an Anomia, or jingle shell †Anomia
** †Anomia argentaria
** †Anomia radiata
** †Anomia tellinoides
* †Anomoeodus
** †Anomoeodus phaseolus
* †Aphrodina
** †Aphrodina eufaulensis
** †Aphrodina tippana
* Fossilized skeleton of the Late Cretaceous bony fish Apsopelix †Apsopelix
** †Apsopelix anglicus
* †Araloselachus
** †Araloselachus cuspidata
* †Arca
** †Arca macnairyensis
* Architectonica – or unidentified comparable form
** †Architectonica voragiformis
* Arrhoges
* Shell of a modern Astarte bivalve Astarte – tentative report
* †Avellana
** †Avellana bullata

## B

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* †Baculites
** †Baculites haresi
** †Baculites minerensis
** †Baculites ovatus
** †Baculites undatus
* Barbatia
* Fossilized guard of the Late Cretaceous belemnoid cephalopod Belemnitella †Belemnitella
** †Belemnitella americana
* †Bellifusus
** †Bellifusus curvicostatus
* †Belliscala – or unidentified comparable form
** †Belliscala creideri
* †Beretra
* Bernaya
** †Bernaya burlingtonensis
* Life restoration of the Late Cretaceous bony fish Bonnerichthys with an anachronistic scuba diver to scale †Bonnerichthys
** †Bonnerichthys gladius
* †Brachyrhizodus
** †Brachyrhizodus wichitaensis
* †Breviarca
** †Breviarca haddonfieldensis
** †Breviarca richardsi – tentative report
* †Buccinopsis
* †Bulla
** †Bulla macrostromata

## C

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* Cadulus
** †Cadulus obnutus
* Caestocorbula
** †Caestocorbula crassiplica
* †Calliomphalus
** †Calliomphalus americanus – tentative report
** †Calliomphalus nudus
** †Calliomphalus paucispirilus
* †Camptonectes
** †Camptonectes bellisculptus
** †Camptonectes burlingtonensis
* †Cantharulus – tentative report
* Shells of modern Capulus cap sea snails Capulus
* Cardium [fr; nl; sv]
** †Cardium spillmani
* Caryocorbula
* †Caveola
* †Cenomanocarcinus
** †Cenomanocarcinus robertsi
* Cerithium
** †Cerithium weeksi
* †Chesapeakiceras
** †Chesapeakiceras nodatum – type locality for species
* Clavagella
** †Clavagella armata
* Life restoration of the Late Cretaceous mosasaurid Clidastes †Clidastes – or unidentified comparable form
* Cliona
* †Clisocolus
* †Coelosaurus
** †Coelosaurus antiquus
* Corbula
* Crassatella
** †Crassatella newkirkensis
** †Crassatella vadosa
* †Crenella
** †Crenella serica
* †Cretodus
** †Cretodus borodini
* Fossil of the Early Cretaceous-Eocene shark Cretolamna †Cretolamna
** †Cretolamna appendiculata
* †Cryptotexanites
** †Cryptotexanites paedomorphicus – type locality for species
* Cucullaea
** †Cucullaea tippana
** †Cucullaea vulgaris
* Cuspidaria
** †Cuspidaria grandis
* Cylichna
** †Cylichna secalina
* †Cylindrocanthus – or unidentified comparable form
* †Cymbophora
** †Cymbophora subtilis
* †Cymella
** †Cymella bella
** †Cymella ironensis
* †Cyprimeria
** †Cyprimeria excavata

## D

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* †Dentalium
** †Dentalium intercalatum
** †Dentalium subarctuatum
* †Dhondtichlamys – tentative report
** †Dhondtichlamys venustus
* Restoration of several species of the Late Cretaceous ammonoid cephalopod Didymoceras †Didymoceras
** †Didymoceras binodosum
** †Didymoceras cheyennense
** †Didymoceras draconis
** †Didymoceras platycostatum
** †Didymoceras stevensoni
* †Distefania
** †Distefania lauginigeri
* †Drepanochilus
* †Dryptosaurus

## E

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* †Ecphora – tentative report
* †Ellipsoscapha
* Emarginula
* Restoration of the Early Cretaceous-Eocene bony fish Enchodus, or the "saber-toothed herring" †Enchodus
** †Enchodus ferox
* †Endoptygma – or unidentified comparable form
** †Endoptygma leprosa
* †Eoacteon
** †Eoacteon percultus
* †Etea
** †Etea carolinensis
* †Eufistulana
* †Eulophoceras – tentative report
* †Euspira
** †Euspira rectilabrum
* †Eutrephoceras
** †Eutrephoceras dekayi
* †Exiteloceras
** †Exiteloceras jenneyi
* Interior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra †Exogyra
** †Exogyra cancellata
** †Exogyra costata
** †Exogyra ponderosa
** †Exogyra ponderosa erraticostata

## G

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* Gastrochaena
* †Gegania
** †Gegania bella
* †Gervilliopsis
* Ginglymostoma
** †Ginglymostoma globidens
* †Ginglyostoma
** †Ginglyostoma globidens
* Life restoration of the Late Cretaceous mosasaur Globidens †Globidens
** †Globidens alabamensis
* Glossus
* Glycymeris
** †Glycymeris mortoni
* †Graciliala
** †Graciliala johnsoni
* †Granocardium
** †Granocardium dumosum
** †Granocardium kummeli
** †Granocardium tenuistriatum
* †Gryphaeostrea
** †Gryphaeostrea vomer
* Gyrodes
** †Gyrodes abyssinus
** †Gyrodes americanus – tentative report
** †Gyrodes supraplicatus
** †Gyrodes vetrosus

## H

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* Life restoration of the Late Cretaceous mosasaur Halisaurus †Halisaurus
** †Halisaurus platyspondylus
* †Hamulus
** †Hamulus major
** †Hamulus onyx
* †Harduinia
** †Harduinia florealis
* Haustator – or unidentified comparable form
** †Haustator lenolensis
* Hemiaster
** †Hemiaster delawarensis
** †Hemiaster ungula
* †Hercorhyncus
* †Hoploscaphites
** †Hoploscaphites vistulensis
* Restoration of two of the Permian-Late Cretaceous cartilaginous fish Hybodus †Hybodus
* †Hypotodus
** †Hypotodus aculeatus

## I

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* Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size †Inoceramus
* †Ischyodus
** †Ischyodus bifurcatus
* †Ischyrhiza
** †Ischyrhiza avonicola – or unidentified comparable form
** †Ischyrhiza mira

## J

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* Fossilized shell of the Late Cretaceous ammonoid cephalopod Jeletzkytes †Jeletzkytes
** †Jeletzkytes compressus
* Juliacorbula – or unidentified comparable form
** †Juliacorbula swedesboroensis

## L

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* †Latiala – or unidentified comparable form
** †Latiala lobata
* †Laxispira
** †Laxispira lumbricalis
** †Laxispira monilifera
* †Legumen
** †Legumen concentricum
** †Legumen ellipticum – tentative report
** †Legumen planulatum
* Illustration of a living Lepisosteus, or gar Lepisosteus – or unidentified comparable form
* †Leptosolen
** †Leptosolen biplicata
* Lima
** †Lima lorillardensis
* †Linearis
** †Linearis contracta
** †Linearis magnoliensis
** †Linearis metastriata
* †Lingula – tentative report
* †Liopistha
** †Liopistha alternata – tentative report
** †Liopistha protexta
* Electron micrograph of fossilized teeth from the Early Jurassic-Early Cretaceous freshwater shark Lissodus †Lissodus
** †Lissodus babulskii
* Lithophaga
** †Lithophaga julia
* †Longoconcha
* Lopha
** †Lopha falcata
* †Lucina
* †Lyriochlamys – or unidentified comparable form
* Malletia
** †Malletia longifrons
** †Malletia protexta – tentative report
** †Malletia stephensoni
* †Margaritella
* Martesia
* †Mathilda
* †Menabites
** †Menabites delawarensis
** †Menabites vanuxemi
* †Menuites
** †Menuites portlocki
* †Micrabacia
** †Micrabacia marylandica
* †Morea – or unidentified comparable form
** †Morea marylandica

## N

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* †Napulus
** †Napulus reesidei
* †Neithea
** †Neithea quinquecostata
* †Nemocardium
** †Nemocardium parahillanum
* †Nemodon
** †Nemodon eufaulensis
* †Nonactaeonina
* †Notoceras
** †Notoceras monotuberculatum
* Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula Nucula
** †Nucula percrassa
** †Nucula whitfieldi – tentative report
* Nuculana
** †Nuculana compressifrons
** †Nuculana marlboroensis
* †Nuculano
** †Nuculano stephensani
* †Nudivagus
* †Nymphalucina
** †Nymphalucina parva

## O

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* A living Odontaspis sand shark Odontaspis
** †Odontaspis macrota
** †Odontaspis sahammeri
** †Odontaspis samhammeri
* †Ornithomimus
** †Ornithomimus antique
* †Ornopsis – or unidentified comparable form
** †Ornopsis digressa
* Ostrea

## P

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* Fossilized shell of the Late Cretaceous ammonoid cephalopod Pachydiscus †Pachydiscus
* †Pachymelania
* †Paladmete
** †Paladmete cancellaria
** †Paladmete gardnerae
* †Palaeocypraea
** †Palaeocypraea grooti – type locality for species
* Panopea
** †Panopea decisa
* †Paralbula
** †Paralbula casei
* † Paranomia
** †Paranomia scabra
* †Paranomotodon
** †Paranomotodon agustidens
** †Paranomotodon angustidens
* †Parietiplicatum – or unidentified comparable form
** †Parietiplicatum conicum
* †Parmicorbula
** †Parmicorbula bisulcata
* Patella
** †Patella tentorium
* †Pecten
* Pholadomya
** †Pholadomya occidentalis
* Pholas – tentative report
* †Pinna
** †Pinna laqueata
* Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras †Placenticeras
** †Placenticeras placenta
** †Placenticeras syrtale
* †Pleuriocardia – or unidentified related form
** †Pleuriocardia donohuensis
* †Pleurocardia – tentative report
** †Pleurocardia uniformis
* †Plicatolamna
** †Plicatolamna arcuata
* Plicatula
** †Plicatula mullicaensis
* †Postligata
** †Postligata crenata
** †Postligata wordeni
* Fossilized teeth of the Cretaceous shark Pseudocorax †Pseudocorax
** †Pseudocorax granti
* †Pseudohypolophus
* †Pseudolimea
** †Pseudolimea kerri
** †Pseudolimea reticulata
* Pseudomalaxis
* †Pseudoschloenbachia
** †Pseudoschloenbachia chispaensis – or unidentified comparable form
* Life restoration of the Late Cretaceous pterosaur Pteranodon †Pteranodon – tentative report
* †Pteria
* †Pterocerella – or unidentified comparable form
** †Pterocerella poinsettiformis
* †Pterotrigonia
** †Pterotrigonia bartrami
** †Pterotrigonia eufaulensis
** †Pterotrigonia thoracia
* †Ptychotrygon
** †Ptychotrygon vermiculata
* Pycnodonte
** †Pycnodonte mutabilis
* †Pygurostoma
** †Pygurostoma geometricum
* †Pyrifusus
** †Pyrifusus sinuocostatus
* †Pyropsis
** †Pyropsis perlata

## R

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* †Radiopecten
** †Radiopecten mississippiensis
* †Remera – tentative report
* Rhinobatos
** †Rhinobatos casieri
* Restoration of the Late Cretaceous-Paleocene ray Rhombodus †Rhombodus
** †Rhombodus laevis
* Ringicula
* †Ripleyella

## S

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* †Sargana
* †Scambula
** †Scambula perplana
* Restoration of several of the Early Cretaceous-Miocene shark Scapanorhynchus †Scapanorhynchus
** †Scapanorhynchus texanus
* †Scaphites
** †Scaphites hippocrepis
* †Sclerorhynchus
* Serpula
* †Solenoceras
** †Solenoceras annulifer
* †Sourimis – or unidentified comparable form
** †Sourimis georgiana
* †Spiroxybeloceras
** †Spiroxybeloceras meekanum
* Spondylus
* Life restoration of the Late Cretaceous shark Squalicorax Squalicorax
** †Squalicorax falcatus
** †Squalicorax kaupi
** †Squalicorax pristodontus
* Squatina
** †Squatina hassei
* †Stephanodus
* †Submortoniceras
** †Submortoniceras punctatum
** †Submortoniceras uddeni
* †Syncyclonema
** †Syncyclonema conradi
** †Syncyclonema simplicius
* †Synodontaspis
** †Synodontaspis holmdelensis

## T

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* Tellina
* †Tenea
* Terebratulina
** †Terebratulina cooperi
* †Texanites
* †Tintorium – tentative report
* Mounted fossilized skeleton of the Late Cretaceous sea turtle Toxochelys †Toxochelys
* Trachycardium
** †Trachycardium eufaulensis
** †Trachycardium longstreeti – tentative report
* †Trigonia
* Trionyx
** †Trionyx halophilus – type locality for species
* †Tundora – or unidentified comparable form
** †Tundora tuberculata
* Turritella
** †Turritella lorillardensis
** †Turritella macnairyensis
** †Turritella marshalltownensis
** †Turritella merchantvillensis
** †Turritella quadrilira
** †Turritella tippana
** †Turritella trilira
** †Turritella vertebroides
* Restoration of the Late Cretaceous mosasaur Tylosaurus †Tylosaurus
* Tympanotonos – or unidentified comparable form
** †Tympanotonos cretacea

## U

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* †Unicardium – or unidentified comparable form
** †Unicardium umbonatum
* †Urceolabrum
** †Urceolabrum mantachieensis – tentative report

## V

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* †Veniella
** †Veniella conradi
* †Vetericardiella
** †Vetericardiella subcircula
* †Volutomorpha

## W

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* †Wadeopsamea – tentative report
* †Weeksia
* †Woodsella
** †Woodsella typica

## X

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* Xenophora
* Life restoration of the Cretaceous bony fish Xiphactinus †Xiphactinus