page_title: List of the prehistoric life of South Dakota
section_title: Selected Mesozoic taxa of South Dakota
hierarchical_section_title: List of the prehistoric life of South Dakota / Mesozoic / Selected Mesozoic taxa of South Dakota
caption_attribution_description: English: Cropped image of taxon in file name
context_page_description: This list of the prehistoric life of South Dakota contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of South Dakota.
context_section_description: Acipenser – or unidentified comparable form
  †Actinocamax
  †Adocus
  †Agerostrea
   †Allosaurus
  †Alphadon
  †Alphadon marshi
  †Anatotitan
  †Anatotitan copei
  †Anomia
  †Anzu – type locality for genus
  †Anzu wyliei – type locality for species
  †Apatosaurus
  †Araucarioxylon
   †Archelon – type locality for genus
  †Archelon ischyros – type locality for species
  †Artocarpus – report made of unidentified related form or using admittedly obsolete nomenclature
  Aspideretes
  †Asplenium
  †Baculites
  †Baculites clinolobatus
  †Baculites compressus
  †Baculites grandis
  †Baculites larsoni
  †Baculites ovatus
  †Baculites yokoyamai
  †Bananogmius
  †Baptornis
  †Baptornis varneri – type locality for species
   †Barosaurus – type locality for genus
  †Barosaurus lentus – type locality for species
  †Basilemys
  †Belemnitella
  †Belemnitella bulbosa
  Beryx – or unidentified related form
  †Bolodon
  †Bolodon hydei – type locality for species
  †Borealosuchus
  †Borealosuchus sternbergii
  Brachidontes
  †Brachychampsa
  †Brachychampsa montana
  †Brodavis
  †Brodavis baileyi – type locality for species
  †Caenagnathus
  †Calycoceras
  †Calycoceras boreale – type locality for species
  †Calycoceras dromense – or unidentified comparable form
   †Camarasaurus
  Campeloma
  †Caturus
  †Champsosaurus
  †Cimexomys
  †Cimolodon
  †Cimolodon nitidus
  †Cimolomys
  †Cimolomys gracilis
  †Claosaurus
  †Claosaurus affinis – type locality for species
  †Clidastes
  †Clidastes propython
  †Cocculus
   †Collignoniceras
  †Collignoniceras collisniger – type locality for species
  †Collignoniceras jorgenseni – type locality for species
  †Collignoniceras percarinatum
  †Collignoniceras praecox
  †Collignoniceras vermilionense
  †Collignoniceras woolgari
  †Collignoniceras woollgari
  †Compsemys
  Corbula
  †Corbulamella
  †Crenella
  †Crenella elegantula
  †Cretolamna
  †Cretolamna appendiculata
  †Cteniogenys
  Cucullaea
  †Cuspidaria
   †Cycadeoidea
  †Cycadeoidea aspera – type locality for species
  †Cycadeoidea cicatricula – type locality for species
  †Cycadeoidea colei – type locality for species
  †Cycadeoidea colossalis – type locality for species
  †Cycadeoidea dacotensis
  †Cycadeoidea excelsa – type locality for species
  †Cycadeoidea formosa – type locality for species
  †Cycadeoidea furcata – type locality for species
  †Cycadeoidea ingens – type locality for species
  †Cycadeoidea insolita – type locality for species
  †Cycadeoidea jenneyana
  †Cycadeoidea Jenneyana
  †Cycadeoidea marshiana – type locality for species
  †Cycadeoidea mcbridei – type locality for species
  †Cycadeoidea McBridei – type locality for species
  †Cycadeoidea minnekahtensis – type locality for species
  †Cycadeoidea nana – type locality for species
  †Cycadeoidea occidentalis – type locality for species
  †Cycadeoidea paynei – type locality for species
  †Cycadeoidea pulcherrima – type locality for species
  †Cycadeoidea stillwelli – type locality for species
  †Cycadeoidea turrita – type locality for species
  †Cycadeoidea Wellsii – type locality for species
  †Dakotadon
  †Dakotadon lakotaensis
  †Dakotaraptor – type locality for genus
  †Dakotaraptor steini – type locality for species
  †Desmatochelys
  †Didelphodon
  †Diplodocus
  †Discoscaphites
  †Discoscaphites conradi
  †Discoscaphites gulosus
  †Discoscaphites rossi – type locality for species
  †Dolichorhynchops
  †Dolichorhynchops bonneri
  †Dolichorhynchops osborni
  †Edmontonia
  †Edmontonia longiceps
   †Edmontosaurus
  †Elasmosaurus
  †Elasmosaurus intermedius – type locality for species
  †Enchodus
  †Eubostrychoceras
  †Eucalycoceras
  †Eutrephoceras
  †Geosternbergia
  †Geosternbergia maiseyi – type locality for species
  Gleichenia
  †Globidens
  †Globidens alabamensis
  †Globidens dakotensis – type locality for species
  †Globidens schurmanni – type locality for species
  †Glyptops
  Glyptostrobus
  †Glyptostrobus europaeus
  †Gorgosaurus
  †Hainosaurus
  †Hamites
   †Hesperornis
  †Hesperornis regalis – or unidentified comparable form
  Hiatella – tentative report
  †Hoplitosaurus
  †Hoplitosaurus marshi – type locality for species
  †Hoploparia
  †Hoploscaphites
  †Hoploscaphites comprimus
  †Hoploscaphites melloi – type locality for species
  †Hoploscaphites nicolletii
  †Hulettia
  †Hypsilophodon
  †Hypsilophodon wielandi – type locality for species
  †Ichthyodectes
   †In
caption: Fossil of the Jurassic-Cretaceous cycad relative Cycadeoidea
exif: {}