page_title: List of the Mesozoic life of Wyoming
section_title: B
hierarchical_section_title: List of the Mesozoic life of Wyoming / B
caption_attribution_description: Photo of a Blind Shark (Brachaelurus waddi). Taken by David Breneman, Saturday, 29th of September 2007 at the Sewage Pipe, Nelson Bay, NSW, Australia.
context_page_description: This list of the Mesozoic life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming and are between 252.17 and 66 million years of age.
context_section_description: †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
  †Baena hatcheri – type locality for species
  †Baena hayi – type locality for species
  †Baena marshi – type locality for species
  †Baieropsis
  †Baieropsis adiantifolia
  †Baieropsis pluripartita
  †Baptanodon
  †Baptanodon discus
  †Baptanodon reedi – type locality for species
  †Baptanodon robustus – type locality for species
  Barbatia – tentative report
   †Barosaurus
  †Barosaurus lentus
  †Basilemys
  †Basilemys sinuosa
  †Batodon
  †Batodon tenuis – type locality for species
  †Belonostomus
  †Belonostomus longirostris
  Berenicea
  Bombur
  †Borealosuchus
  †Borealosuchus sternbergii – type locality for species
  †Boremys
  †Borissiakoceras
  †Borissiakoceras orbiculatum
  Botula
  †Botula ripleyana
   Brachaelurus
  †Brachaelurus bighornensis – type locality for species
  †Brachiosaurus
  †Brachybrachium – type locality for genus
  †Brachybrachium brevipes – type locality for species
  †Brachychampsa
  †Brachychampsa montana
  †Brachyphyllum
  †Brachyphyllum crassum
  †Brontopodus – or unidentified comparable form
  †Brontopodus birdi
   †Brontosaurus – type locality for genus
  †Brontosaurus excelsus – type locality for species
  †Brontosaurus parvus – type locality for species
  †Brontosaurus yahnahpin – type locality for species
  †Bryceomys
  †Bullopsis
  †Bullopsis cretacea – or unidentified related form
caption: A living Brachaelurus, or blind shark
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