page_title: List of the prehistoric life of Wyoming
section_title: Selected Mesozoic taxa of Wyoming
hierarchical_section_title: List of the prehistoric life of Wyoming / Mesozoic / Selected Mesozoic taxa of Wyoming
caption_attribution_description: English: Life reconstruction of Brontosaurus excelsus
context_page_description: This list of the prehistoric life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming.
context_section_description: Acipenser
  †Adocus
  †Agathaumas – type locality for genus
  †Agathaumas sylvestris – type locality for species
  †Agerostrea
  †Albanerpeton
  †Albanerpeton galaktion
  †Albanerpeton nexuosus – type locality for species
  †Albertosaurus – or unidentified comparable form
  †Allognathosuchus
    †Allosaurus – type locality for genus
  †Allosaurus fragilis – type locality for species
  †Alphadon
  †Alphadon attaragos – type locality for species
  †Alphadon halleyi
  †Alphadon marshi
  †Alphadon sahnii
  †Amblotherium – type locality for genus
  Amia
  †Amphicoelias
  †Amphicoelias brontodiplodocus – type locality for species
  †Amphidon – type locality for genus
  †Amphidon superstes – type locality for species
  †Anaklinoceras
  †Anaschisma – type locality for genus
  †Ancorichnus
  † Andromeda
  †Anemia
  †Angistorhinus – type locality for genus
  †Angistorhinus aeolamnis – type locality for species
  †Angistorhinus gracilis – type locality for species
  †Angistorhinus grandis – type locality for species
  †Angistorhinus maximus – type locality for species
  †Anisoceras
   †Ankylosaurus
  †Ankylosaurus magniventris
  Anomia
  Anona
  Antrimpos
  †Apatosaurinae
  †Apatosaurus
  †Apatosaurus louisae
  †Apatosaurus minimus
  †Aploconodon – type locality for genus
  †Aploconodon comoensis – type locality for species
  Aporrhais
  †Aquilina – type locality for genus
  Aralia
   Araucaria
  Arca – report made of unidentified related form or using admittedly obsolete nomenclature
  †Archaeotrigon – type locality for genus
  †Arcticoceras
  †Arenicolites
  Aspideretes
  †Asplenium
  †Astarta
  Astarte
  † Atira – tentative report
  †Atokatheridium – or unidentified comparable form
  †Aublysodon
  †Aublysodon mirandus
   †Baculites
  †Baculites asper
  †Baculites asperiformis
  †Baculites baculus
  †Baculites clinolobatus
  †Baculites cobbani
  †Baculites codyensis
  †Baculites crickmayi
  †Baculites elaisi
  †Baculites eliasi
  †Baculites gilberti
  †Baculites grandis
  †Baculites gregoryensis
  †Baculites haresi
  †Baculites jenseni – or unidentified comparable form
  †Baculites mariasensis
  †Baculites mclearni
  †Baculites obtusus
  †Baculites perplexus
  †Baculites reesidei
  †Baculites rugosus
  †Baculites scotti
  †Baena
  †Baptanodon
  Barbatia – tentative report
   †Barosaurus
  †Barosaurus lentus
  †Basilemys
  †Belonostomus
  †Belonostomus longirostris
  Bombur
  †Borealosuchus
  †Borealosuchus sternbergii – type locality for species
  Botula
  †Botula ripleyana
  Brachaelurus
  †Brachiosaurus
  †Brachybrachium – type locality for genus
  †Brachybrachium brevipes – type locality for species
  †Brachychampsa
  †Brachychampsa montana
  †Brachyphyllum
  †Brontopodus – or unidentified comparable form
   †Brontosaurus – type locality for genus
  †Brontosaurus excelsus – type locality for species
  †Brontosaurus parvus – type locality for species
  †Brontosaurus yahnahpin – type locality for species
  †Bryceomys
  †Cadoceras
  Callista
  †Calycoceras
  †Camarasaurus – type locality for genus
  †Camarasaurus grandis – type locality for species
  †Camarasaurus lentus – type locality for species
  Campeloma
  †Camptosaurus
  †Camptosaurus dispar – type locality for species
  † Canna
  †Cedrobaena
  †Celastrus – tentative report
  †Ceramornis – type locality for genus
  †Ceramornis major – type locality for species
  †Ceratodus
   †Ceratosaurus
  Cercidiphyllum
  Cerithium – tentative report
  †Chamops – type locality for genus
  †Champsosaurus
  †Chelonipus – or unidentified comparable form
  Chiloscyllium
  †Chirotherium
  †Chirotherium barthii
  Chlamys
  †Chondroceras
  †Cimexomys
  †Cimexomys minor
  †Cimolestes
  †Cimolestes incisus – type locality for species
  †Cimolestes stirtoni – type locality for species
  †Cimolodon
  †Cimolodon nitidus – type locality for species
   †Cimolomys
  †Cimolomys clarki
  †Cimolomys gracilis – type locality for species
  †Cimolomys parvus – type locality for species
  †Cimolopteryx
  †Cimolopteryx maxima – type locality for species
  †Cimolopteryx rara
  Cinnamomum
  Cissus
  Cladophlebis
  †Cladophlebis parva
  †Cladophlebis readi – type locality for species
  †Cladophlebis wyomingensis – type locality for species
  †Claraia
  †Claraia clarai
  †Claraia mulleri
  †Claraia stachei
  †Clemensodon – type locality for genus
  †Clemensodon megaloba – type locality for species
  †Coelosuchus – type locality 
caption: Life restoration of a herd of the Late Jurassic sauropod dinosaur Brontosaurus
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