page_title: List of the Paleozoic life of California
section_title: T
hierarchical_section_title: List of the Paleozoic life of California / T
caption_attribution_description: English: A drawing of Arthrorhachis tarda, order Agnostida, family Metagnostidae, based on photographs in Per Ahlberg (1989). "Agnostid trilobites from the Upper Ordovician of Sweden and Bornholm, Denmark". Bulletin of the Geological Society of Denmark 37:213-226, most notably figure 2c: internal mould of a nearly complete specimen from Bestorp, Mosseberg, Vastergotland. Upper Jonstorp Formation. Coll. excursion 1980. LO 5923t. x7.1.
context_page_description: This list of the Paleozoic life of California contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of California and are between 541 and 252.17 million years of age.
context_section_description: †Taphrhelminthopsis
  †Taphrhelminthopsis nelsoni
  †Taphrorthis – tentative report
  †Temnodiscus – tentative report
  †Temnodiscus euryomphalus
  †Thairoplax
  †Thairoplax merriami – type locality for species
  †Thamniscus – report made of unidentified related form or using admittedly obsolete nomenclature
  †Thamnosia
  †Thamnosia arctica
  †Thompsonella
  †Thompsonella cylindrica – type locality for species
  †Thompsonella rugosa – type locality for species
  †Timaniella
  †Timaniella pseudocamerata
  †Tonopahella – type locality for genus
  †Tonopahella goldfieldensis – type locality for species
  †Tonopahella walcotti
  †Torynifer
  †Trematospira
  †Trepospira
   †Trinodus
  †Trinodus clusus – or unidentified comparable form
  †Triticites
  †Triticites bensonensis
  †Triticites brevis – type locality for species
  †Triticites burgessae – or unidentified comparable form
  †Triticites buttensis
  †Triticites californicus
  †Triticites cellamagnus
  †Triticites elegantoides
  †Triticites gigantocellus
  †Triticites hermanni – type locality for species
  †Triticites invenustus – type locality for species
  †Triticites muddiensis
  †Triticites mulleri – type locality for species
  †Triticites occidentalis – type locality for species
  †Triticites schencki – type locality for species
  †Triticites tumentis – type locality for species
  †Triticites usitatus – type locality for species
  †Triticites ventricosus – or unidentified related form
  †Triticites viribus – type locality for species
  †Trocholites – tentative report
  †Trochonema
  †Trochonema liljevalli – type locality for species
  †Trochonemella – tentative report
  †Trochonemella mikulici – type locality for species
  †Tschussovskenia
  †Tschussovskenia connorsensis
caption: Illustration of a fossil of the Cambrian trilobite Trinodus
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