page_title: List of the prehistoric life of Alaska
section_title: Selected Paleozoic taxa of Alaska
hierarchical_section_title: List of the prehistoric life of Alaska / Paleozoic / Selected Paleozoic taxa of Alaska
caption_attribution_description: English: Close view of Hexagonaria percarinata, a Devonian rugose coral from Michigan.
context_page_description: This list of the prehistoric life of Alaska contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Alaska.
context_section_description: †Abadehella
  †Acanthophyllum
   †Acanthopyge
  †Acmarhachis
  †Agoniatites – tentative report
  †Amplexus
  †Ancyrognathus
  †Anomphalus – tentative report
  †Athyris
  †Athyris lamellosa – or unidentified related form
  †Atrypa
  †Atrypa reticularis
  †Aulopora
   †Aviculopecten
  †Aviculopecten chesterensis – tentative report
  †Aviculopecten delawarensis – or unidentified related form
  †Aviculopecten edwardsi – or unidentified related form
  †Aviculopecten fasciculatus – or unidentified related form
  †Aviculopecten hardinensis – or unidentified related form
  †Aviculopecten mccoyi – or unidentified related form
  †Aviculopecten montpelierensis – or unidentified related form
  †Aviculopecten occidentalis – or unidentified related form
  †Aviculopecten similis – or unidentified related form
  † Avonia – tentative report
  †Bailiaspis
  †Bathyuriscus
  †Belemnites – tentative report
  †Bellerophon
  †Bellerophon chapmani
  †Bellerophon livengoodensis
  †Bellerophon spergensis – or unidentified related form
  †Bembexia – tentative report
  †Bimuria
  †Callograptus
  †Calymene
   †Calymene blumenbachii
  †Calymene iladon
  †Camarotoechia
  †Camarotoechia billingsi – or unidentified comparable form
  †Camarotoechia duplicata – tentative report
  †Camarotoechia winiskensis – or unidentified comparable form
  Capulus
  †Catenipora
  †Catenipora jacovikii – or unidentified comparable form
  †Catenipora robustus – or unidentified comparable form
  †Catenipora rubra – or unidentified comparable form
  †Cedaria
  †Cheirurus
  †Chirognathus – tentative report
  †Chonetes
  †Chonetes capax – or unidentified related form
  †Chonetes illinoisensis – or unidentified related form
  †Chonetes manitobensis – or unidentified comparable form
  †Chonetes timanicus – or unidentified related form
  †Chonetes verneuile – or unidentified comparable form
  †Chonetes verneuilianus – or unidentified related form
  †Christiania
  †Cladochonus
  †Cladospongia – type locality for genus
  †Cleiothyridina
  †Cleiothyridina sublamellosa – or unidentified related form
   †Climacograptus
  †Climacograptus antiquus – or unidentified related form
  †Climacograptus bicornis
  †Climacograptus eximius – or unidentified comparable form
  †Climacograptus hughesi – or unidentified comparable form
  †Climacograptus indivisus
  †Climacograptus innotatus
  †Climacograptus medius
  †Climacograptus minutus – tentative report
  †Climacograptus phyllophorus – or unidentified comparable form
  †Climacograptus pungens
  †Climacograptus rectangularis
  †Climacograptus scalaris
  †Climacograptus stenotelus
  †Climacograptus trifilis
  †Coenites
   †Composita
  †Composita ambigua – or unidentified comparable form
  †Composita bellula – or unidentified related form
  †Conchidium
  †Conocardium
  †Cordylodus – tentative report
  †Crania
  †Craticula – report made of unidentified related form or using admittedly obsolete nomenclature
  †Cyclonema
  †Cyclopteris – tentative report
  †Cymbidium
  †Cyphaspis
  †Cypricardinia
   †Cyrtoceras
  †Cyrtospirifer
  †Cyrtospirifer buddingtoni – type locality for species
  †Cyrtospirifer paridaensis
  †Cystodictya
  †Cystodictya lineata – or unidentified related form
  †Cystodictya pustulosa – or unidentified related form
  †Dalmanites
  †Dendrograptus
  †Dentalium
  †Dentalium hecetaensis
  †Dicoelosia
  †Dictyonema
   †Didymograptus
  †Didymograptus extensus – or unidentified comparable form
  †Didymograptus nitidus – or unidentified comparable form
  †Didymograptus sagitticaulis
  †Didymograptus serratulus
  †Diplograptus
  †Diplograptus cyperoides – or unidentified comparable form
  †Diplograptus elongatus
  †Diplograptus euglyptus
  †Diplograptus hughesi
  †Diplograptus inutilis
  †Diplograptus modestus
  †Diplograptus mucroterminatus
  †Diplograptus multidens – or unidentified related form
  †Diplograptus nicolsoni – or unidentified comparable form
  †Diplopora – tentative report
  †Drepanophycus
  †Edmondia
  † Ella – tentative report
  †Ellesmeroceras
  †Elrathia
  †Emmonsia
  †Eospirifer
  †Epiphyton
   †Euomphalus
  †Euomphalus brooksensis
  †Euomphalus bundtzeni
  †Euomphalus planodorsatus – or unidentified related form
  †Euomphalus planorbis
  †Euomphalus utahensis – or unidentified related form
  †Favosites
  †Favosites emmonsi – or unidentified comparable form
  †Favosites hemispericus
  
caption: Fossil of the Devonian colonial rugose coral Hexagonaria, also known as a Petoskey stone
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