page_title: List of the prehistoric life of California
section_title: Selected Paleozoic taxa of California
hierarchical_section_title: List of the prehistoric life of California / Paleozoic / Selected Paleozoic taxa of California
caption_attribution_description: English: Trilobite Fossil Olenellus fowleri (Palmer 1998) Lower Cambrian Order Redlichiida, Suborder Olenellina, Family Olenellidae Pioche Shale Formation, Lincoln County, Nevada
context_page_description: This list of the prehistoric life of California contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of California.
context_section_description: †Advenella
  †Agathiceras
  †Ampyx – tentative report
  †Ampyx
  †Apatolichas
   †Aspidella – tentative report
  †Aspidella terranovica
  †Atrypa
  †Atrypa reticularis
  †Aviculopecten
  †Aviculopecten occidentalis – or unidentified comparable form
  †Bimuria
  †Bolbolenellus
  †Bristolia
  †Bumastus
  †Calymene
  †Camarotoechia – tentative report
  †Carolinites
  †Chonetes
  †Cleiothyridina
  †Composita
  †Composita grandis – or unidentified comparable form
  †Composita subtilita – or unidentified comparable form
  †Conchidium
  †Conocardium
   †Cruziana
  †Cyclolobus
  †Cyclonema
  †Cymbidium
  †Daguinaspis
  †Dicoelosia
  †Didymograptus
  †Dimeropygiella
  †Diplichnites
  †Encrinurus
  †Endoceras – tentative report
  †Euomphalus
  †Fallotaspis
  †Favosites
  †Fenestella
  †Gogia
  †Halysites
  †Helicoplacus
   †Helicoprion
  †Helicoprion davisii
  †Heliomeroides
  †Hercynella
  †Holopea
  †Hyolithes
  †Illaenus
  †Ingria
  †Isogramma
  †Isotelus
  †Kawina
   †Kutorgina
  †Lingula
  †Lingulella
  †Lithostrotion
  †Lithostrotion pauciradiale
  †Lonchodomas
  †Meristella
  †Micromitra
  †Murchisonia
  †Neospirifer
  †Nephrolenellus
  †Nevadella
  †Obolella
   †Olenellus
  †Olenellus fowleri – or unidentified comparable form
  †Oryctocephalus
  †Oryctocephalus indicus
  †Paladin
  Palaeoaplysina
  †Paleochiton
  †Parafusulina
  †Paraschwagerina
  †Peachella
   †Pentamerus
  †Phillipsia
  †Phyllograptus
  †Plaesiomys
  †Planolites
  †Platyceras
  †Poleumita
  †Proetus
  †Pteridinium – tentative report
  †Raymondaspis
  †Remopleurides
  †Repinaella
   †Rusophycus
  †Schwagerina
  †Skenidioides
  †Spirifer
  †Spirifer brazerianus
  †Spiriferina – tentative report
  †Stearoceras
  †Streptosolen
  †Stylonema
  †Swartpuntia – or unidentified comparable form
  †Syringopora
  †Thompsonella
  †Trinodus
  †Trocholites – tentative report
  †Volborthella
  †Wanneria
   †Xenodiscus
  †Zacanthoides
caption: Illustration of a fossil of the Cambrian trilobite Olenellus
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