page_title: List of the Mesozoic life of Alaska
section_title: C
hierarchical_section_title: List of the Mesozoic life of Alaska / C
caption_attribution_description: Deutsch&#x3a;&#32; Cidaris cidarisEnglish&#x3a;&#32; Long-spine slate pen sea urchinFrançais&#x202f;&#x3a;&#32; Oursin porte-lance
context_page_description: This list of the Mesozoic life of Alaska contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Alaska and are between 252.17 and 66 million years of age.
context_section_description: †Cadoceras
  †Cadoceras bathomphalum – type locality for species
  †Cadoceras catostoma
  †Cadoceras chinitnense – type locality for species
  †Cadoceras comma – type locality for species
  †Cadoceras crassicostatum – type locality for species
  †Cadoceras doroschini
  †Cadoceras glabrum – type locality for species
  †Cadoceras grewingki
  †Cadoceras kialagvikense – type locality for species
  †Cadoceras petelini
  †Cadoceras schmidti
  †Cadoceras tenuicostatum – type locality for species
  †Cadoceras wosnessenskii
   †Calliphylloceras
  †Calliphylloceras aldersoni – or unidentified comparable form
  †Calliphylloceras freibrocki – type locality for species
  †Calliphylloceras nizinanum – type locality for species
  †Callistopollenites
  †Callistopollenites radiostriatus
  †Callizoniceras
  †Callospiriferina
  †Callospiriferina tumida
  †Calycoceras
  †Camptonectes
  †Camptonectes dettermani
  †Canadoceras
  †Canadoceras kossmati – or unidentified comparable form
  †Canadoceras newberryanum
  †Canadoceras yokoyamai
  †Candonopsis – tentative report
  †Canutus – tentative report
  †Canutus ingrahamensis
  †Capnuchosphaera
  †Capnuchosphaera deweveri – or unidentified related form
  †Capnuchosphaera lenticulata – or unidentified related form
  †Capnuchosphaera mexicana
  †Capnuchosphaera schenki
  †Capnuchosphaera smithorum
  †Capnuchosphaera theoloides – or unidentified related form
  †Capnuchosphaera tricornis
    Capulus – tentative report
  Cardinia
  Cardita – tentative report
  †Cassianella
  †Cassianella cordillerana – type locality for species
  †Cassianella gravinaensis – type locality for species
  †Cassianella lingulata
  †Cavussurella
  †Cavussurella grammi – type locality for species
  †Cedriplites
  †Cedriplites canadensis
   †Cenoceras
  †Cenoceras imlayi – type locality for species
  †Cephalotaxopsis
  †Cephalotaxopsis intermedia
  †Ceratites
  †Cercomya – tentative report
  †Ceriostella
  †Ceriostella martini
  †Ceriostella parva
  Cerithium – tentative report
  †Chandlerichthys – type locality for genus
  †Chandlerichthys strickeri – type locality for species
  †Chinitnites
  †Chinitnites parviformus – type locality for species
  Chlamys
  †Choffatia
  †Chondrites – tentative report
  †Chondrites heeri – or unidentified comparable form
  †Chondrocoenia
  †Chondrocoenia paradoxa – or unidentified comparable form
  †Chonetes – tentative report
  †Christitys
  †Christitys martini – type locality for species
  †Chulitnacula
  †Chulitnacula alaskana – type locality for species
   Cidaris – tentative report
  †Cimolodon
  Cladophlebis
  †Cladophlebis hirta – tentative report
  †Claraia
  †Claraia stachei
  †Cleoniceras
  †Cleoniceras overbecki – type locality for species
  †Clionitites – tentative report
  †Cobbanites
  †Cobbanites talkeetnanus
  †Coccophyllum
  †Collonia
  †Collonia occidentalis – or unidentified comparable form
  †Coniopteris
  †Coniopteris arctica - or unidentified loosely related form
  †Coniopteris saportana
  †Conucardia
  †Corum
  †Corum perfectum
  †Corum regium
  †Corum speciosum
  †Cosmonautilus – tentative report
  †Costispiriferina
  †Costispiriferina pittensis – or unidentified related form
  †Covracythere
  †Covracythere binoda – type locality for species
  †Covracythere gryci – type locality for species
  †Cranwellia
  †Cranwellia rumseyensis
  †Cranwellia striata
  †Crassistella
  †Crassistella juvavica
  †Crassistella parvula
  †Crassistella vesiculosa – or unidentified comparable form
  †Crenipecten – tentative report
  †Crenipecten crenulatus – or unidentified comparable form
  †Crucella
  †Crucella magna – type locality for species
  †Ctenis
  †Ctenophyllum
  †Ctenophyllum angustifolim – tentative report
  †Cuifia
  †Cuifia marmorea – or unidentified comparable form
  †Curtoseris
  †Curtoseris dunlapcanyonae
  †Cyathocoenia
  †Cycloceltites
  †Cycloceltites arduini – or unidentified comparable form
  †Cylindroteuthis
  †Cypridea
  †Cyrtia
  †Cyrtina – report made of unidentified related form or using admittedly obsolete nomenclature
caption: Shell and spines of a Cidaris sea urchin
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