page_title: List of the Paleozoic life of Pennsylvania
section_title: C
hierarchical_section_title: List of the Paleozoic life of Pennsylvania / C
caption_attribution_description: English: The freshwater arthrodire placoderm, Coccosteus cuspidatus, feasting on the mystery fish, Palaeospondylus gunni, in Lake Orcadie, Devonian Scotland. (C) Stanton F. Fink
context_page_description: This list of the Paleozoic life of Pennsylvania contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Pennsylvania and are between 541 and 252.17 million years of age.
context_section_description: †Calathiops
  †Calathiops pottsvillensis – type locality for species
  †Calathospongia
  †Calathospongia carceralis
  †Calathospongia carlli
  †Calathospongia tidioutensis
  †Callixylon
  †Caloneurella – type locality for genus
  †Caloneurella carbonaria – type locality for species
  †Calvibembexia
  †Calvibembexia sulcomarginata
  †Camaraspis
  †Camaraspis convexa
  †Camarotoechia
  †Camarotoechia constricta
  †Camarotoechia prolifica
  †Camarotoechia saxatilis
  †Camerella
   †Camptostroma
  †Camptostroma roddyi
  †Cardiocarpon
  †Cardiocarpon phillipsi – type locality for species
  †Cariniferella
  †Cariniferella carinata
  †Cariniferella tioga
  †Carydium
  †Carydium bellastriatum
  †Cavellina
  †Cavellina planoprocliva
  †Cavusgnathus
  †Centronella
  †Ceramopora
  †Ceramopora incondita
  †Ceratopsis
  †Ceratopsis chambersi
  †Ceriocrinus
  †Chalepomylacris – type locality for genus
  †Chalepomylacris pulchra – type locality for species
  †Chancelloria
  †Chancelloria yorkensis
  †Chancia
  †Cheilocephalus
  †Cheilocephalus quadratus – type locality for species
  †Chonetes
  †Chonetes buttsi
  †Chonetes hemisphericus
  †Chonetinella
  †Chonetinella verneuilana
  †Cincinnaticrinus
   †Cincinnetina
  †Cincinnetina multisecta
  †Cladopora
  †Cladopora seriata
  †Cleiothyridina
  †Cliffia
  †Cliffia lataegenae
  †Cliffia latagenae
  †Climacograptus
  †Climacograptus typicalis
  †Cobaloblatta – type locality for genus
  †Cobaloblatta simulans – type locality for species
   †Coccosteus
  †Coccosteus macromus – type locality for species
  †Coelacanthus
  †Coleolus
  †Colpodexylon
  †Colpodexylon deatsii
  †Colpomya
  †Colpomya faba
  †Comanchia
  †Comanchia amplooculata
  †Composita
  †Composita subtilita
  †Conaspis
  †Conotheca
  †Conotheca australiensis – or unidentified comparable form
  †Conularia
  †Conularia trentonensis – tentative report
  †Convolutispora
  †Convolutispora opressa – or unidentified comparable form
  †Coosella
  †Coosella convexa – type locality for species
  †Coosella vulgaris – type locality for species
  †Coosia
  †Coosia pustulata – type locality for species
  †Corbulispora
  †Corbulispora cancellata
   †Cordaites
  †Cornellites
  †Cornellites flabella
  †Cornulites
  †Cornulites flexuosus
  †Cornulites progressus – or unidentified comparable form
  †Corticospongia – type locality for genus
  †Corticospongia bradfordensis – type locality for species
  †Cranaena
  †Craniops
  †Craniops hamiltoniae
  †Craniops subtruncata
  †Crenistriella
  †Crenistriella crenistria
  †Crepicephalus
  †Crurithyris
  †Crurithyris planoconvexa
  †Cryptolithus
  †Cryptolithus bellulus
  †Cryptolithus recurvus
  †Cryptozoon
  †Cryptozoon undulatum
  †Ctenerpeton – type locality for genus
  †Ctenerpeton remex – type locality for species
  †Ctenoloculina
  †Ctenoloculina cicatricosa
   †Ctenopterus
  †Ctenopterus cestrotus
  †Cuneamya
  †Cupularostrum
  †Cupularostrum congregata
  †Cupularostrum contracta
  †Cupularostrum exima
  †Cupularostrum orbicularis
  †Cyclonema
  †Cyclopteris
  †Cymatospira
  †Cymatospira montfortianus
  †Cypricardella
  †Cypricardella bellastriata
  †Cypricardella bellistriata
  †Cypricardella tenuistriata
  †Cypricardina
  †Cypricardina indenta
  †Cypricardinia
  †Cypricardinia indenta
  †Cyrtina
  †Cyrtina hamiltonensis
   †Cyrtospirifer
  †Cyrtospirifer disjunctus
  †Cyrtospora
  †Cyrtospora cristifera – or unidentified comparable form
  †Cystihalysites
caption: Coccosteus cuspidatus restoration, shown attacking multiple Palaeospondylus'
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