page_title: List of the prehistoric life of Idaho
section_title: Selected Mesozoic taxa of Idaho
hierarchical_section_title: List of the prehistoric life of Idaho / Mesozoic / Selected Mesozoic taxa of Idaho
caption_attribution_description: Tenontosaurus tilletti, an ornithopod from the Early Cretaceous of North America, pencil drawing
context_page_description: This list of the prehistoric life of Idaho contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Idaho.
context_section_description: †Albanites
  †Anaflemingites
  †Anasibirites
  †Anemia
   †Arcestes – tentative report
  †Arctomeekoceras
  †Aspenites
  Astarte
  †Aviculopecten – report made of unidentified related form or using admittedly obsolete nomenclature
  †Aviculopecten altus – type locality for species
  †Aviculopecten idahoensis
  †Aviculopecten pealei – type locality for species
  †Carteria – type locality for genus
  †Ceccaisculitoides
  †Ceccaisculitoides hammondi
  Chlamys
  †Claraia
  †Claraia stachei
  Corbicula
  †Cryptaulax
  †Cycadeoidea
   †Cymbospondylus
  †Dagnoceras
  †Dennstaedtia – tentative report
  †Enoploceras
  †Flemingites
  †Germanonautilus
  †Gervillia – report made of unidentified related form or using admittedly obsolete nomenclature
  Gleichenia
  †Gryphaea
  †Grypoceras
  †Hedenstroemia
   †Inoceramus
  †Inyoites
  †Inyoites oweni
  †Lecanites
  †Lingula
  Lopha
  †Meekoceras
  †Meekoceras gracilitatis – type locality for species
  †Megasphaeroceras
  †Naticopsis – tentative report
  †Nemacanthus
  †Nemacanthus elegans – type locality for species
  †Neogondolella
  †Neospathodus
  †Nerinea
   †Normannites
  †Orthoceras
  Ostrea
  †Owenites
  †Owenites koeneni – or unidentified comparable form
  †Pagiophyllum
  †Palaeophyllites – tentative report
  †Phaedrysmocheilus
  Pholadomya
  †Pholadomya inaequiplicata
  †Plagiostoma
  †Platymya
   †Pleuronautilus
  †Protocardia
  †Pseudomelania – tentative report
  †Pteria – tentative report
  †Rhaetina
  †Rhynchonella – report made of unidentified related form or using admittedly obsolete nomenclature
  †Saurichthys
  †Spiriferina
  †Spiriferina roundyi
  †Stephanoceras
  †Tempskya
   †Tenontosaurus
  †Thamnasteria
  †Trigonia
  †Trigonia montanaensis
  †Ussuria
  †Ussurites
  †Vex – type locality for genus
  †Worthenia
  †Wyomingites – type locality for genus
  †Xenoceltites
  †Xenoceltites cordilleranus
   †Xenodiscus
caption: Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus
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