page_title: List of the Cenozoic life of Maryland
section_title: C
hierarchical_section_title: List of the Cenozoic life of Maryland / C
caption_attribution_description: Cretolamna sp.
context_page_description: This list of the Cenozoic life of Maryland contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Maryland and are between 66 million and 10,000 years of age.
context_section_description: Cadulus
  †Cadulus bellulus
  †Cadulus newtonensis
  †Cadulus thallus
  Caecum
  †Caecum patuxentium
  †Calianassa
  †Calianassa atlantica
  †Calianassa matsoni – or unidentified comparable form
  †Callinassa
  †Callinassa atlantica
  Callinectes
  †Callinectes ornatus
   †Callinectes sapidus
  Calliostoma
  †Calliostoma alphelium
  †Calliostoma aphelium
  †Calliostoma humile – or unidentified comparable form
  †Calliostoma philanthropus
  †Calliostoma philathropus
  Callista
  †Callista marylandica
  Callocardia
  †Callocardia catharia
   Calonectris
  Calyptraea
  †Calyptraea aldrichi – type locality for species
  †Calyptraea centralis
  †Calyptraphorus
  †Calyptraphorus jacksoni
  Cancellaria
  †Cancellaria alternata
  Cancer
  †Cancer irroratus
  Canis
   †Canis armbrusteri – type locality for species
  †Canis latrans
  †Canis rufus – or unidentified comparable form
  Cantharus
  †Cantharus marylandicus
  †Carassatellites
  †Carassatellites turgidulus
  Carcharhinus
  †Carcharhinus egertoni
  Carcharias
  †Carcharias collata – type locality for species
  Carcharodon
  †Carcharodon auriculatus
   †Carcharodon hastalis
  Cardita
  †Cardita protracta
  †Caricella
  Carphophis
  †Carphophis amoenus
  Caryocorbula
  †Caryocorbula cuneata
  †Caryocorbula inaqualis
  Cassis
  Castor
  †Castor canadensis
  Catapleura
  †Catapleura repanda – type locality for species
  †Cephalotropis – type locality for genus
  †Cephalotropis coronatus – type locality for species
  Cerastoderma
  †Cerastoderma leptopleurum
  Cervus
  †Cetophis – type locality for genus
  †Cetophis heteroclitus – type locality for species
  Cetorhinus
   †Cetotherium
  †Cetotherium megalophysum
  †Cetotherium parvum – type locality for species
  Chama
  †Chama corticosa
  Chelone
  Chelydra
  †Chelydra serpentina
  †Chesacardium
  †Chesacardium craticuloides
  †Chesacardium laqueatum
  †Chesaclava – type locality for genus
  †Chesaclava dissimilis
  †Chesaclava quarlesi – type locality for species
  †Chesaconavus
  †Chesaconavus chesapeakensis
  †Chesaconavus rossi
  †Chesaconcavus
  †Chesaconcavus chesapeakensis
  †Chesaconcavus myosulcatus
  †Chesaconcavus proteus
  †Chesaconcavus rossi
  †Chesaconcavus santamaria
  †Chesapecten
  †Chesapecten coccymelus
  †Chesapecten coccymeus
  †Chesapecten covepointensis
   †Chesapecten jeffersonius
  †Chesapecten madisonius
  †Chesapecten monicae
  †Chesapecten nefrens
  †Chesapecten santamaria
  †Chesasyrinx – type locality for genus
  †Chesasyrinx rotifera
  †Chesatrophon – type locality for genus
  †Chesatrophon chesapeakeanus – type locality for species
  Chlamys
  †Chlamys choctavensis
  †Chlamys sheldonae
  †Chloridella
  †Chloridella empusa
  Chrysemys
   †Chrysemys picta
  †Cimomia
  †Cimomia marylandensis – type locality for species
  Circulus – report made of unidentified related form or using admittedly obsolete nomenclature
  †Circulus form A informal
  Cirsotrema
  †Cirsotrema form A informal
  †Cirsotrema from B informal
  Clavus
  †Cleistophaeridium
  †Cleistophaeridium placacanthum
  Clementia
  †Clementia inoceriformis
  Clethrionomys
  †Clethrionomys gapperi – or unidentified comparable form
  Cliona
  †Cliona sulphurea
  †Clionia
  †Clionia sulphurea
  Coluber
  †Coluber constrictor
   Concavus
  †Concavus concavus
  †Concavus crassostricola
  Condylura
  †Condylura cristata
  Conopeum
  †Conopeum germanum
  Conus
  †Conus deluvianus
  †Conus diluvianus
  †Conus sanctaemariae – type locality for species
  Coralliophaga
  †Coralliophaga bryani
   Corbula
  †Corbula elevata
  †Corbula inaequalis
  †Corbula pectorosa – type locality for species
  †Coronia
  Crassatella
  †Crassatella aquiana
  †Crassatella marylandica
  †Crassatella melinus
  Crassostrea
  †Crassostrea virginica
  Crenilabium – or unidentified comparable form
  †Crenilabium elatum
  †Creonella
  †Creonella obscuriplica – type locality for species
  Crepidula
  †Crepidula fornicata
  †Crepidula plana
   †Cretolamna
  †Cretolamna appendiculata
  Crotalus
  †Crotalus horridus
  Crucibulum
  †Crucibulum constrictum
  †Crucibulum costata
  †Crucibulum multilineatum
   Cryptobranchus
  †Cryptobranchus guildayi – type locality for species
  Cucullaea
  †Cucullaea gigantea
  †Cucullaea transversa
  Cumingia
  †Cumingia tellinoides
  †Cybium
  Cyclocardia
  †Cyclocardia granulata
  †Cyclopsiella
  †Cyclopsiella lusatica
  Cyclostremiscus
  †Cyclostremiscus sohli – type locality for species
  Cylichna
  †Cylichna 
caption: Fossil of the Early Cretaceous-Eocene shark Cretolamna
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