page_title: List of the Mesozoic life of California
section_title: P
hierarchical_section_title: List of the Mesozoic life of California / P
caption_attribution_description: English: Pycnodonte pulaskiensis from the Clayton Formation (Paleocene) of Mississippi.
context_page_description: This list of the Mesozoic 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 252.17 and 66 million years of age.
context_section_description: †Pachecocrinus
  †Pachydesmoceras
  †Pachydesmoceras colusaense
  †Pachydesmoceras pachydiscoide – type locality for species
   †Pachydiscus
  †Pachydiscus ashlandicus – or unidentified related form
  †Pachydiscus averilli – type locality for species
  †Pachydiscus binodatus – or unidentified comparable form
  †Pachydiscus buckhami
  †Pachydiscus catarinae – or unidentified related form
  †Pachydiscus coalingense
  †Pachydiscus egertoni – or unidentified comparable form
  †Pachydiscus henleyensis
  †Pachydiscus japonicus – or unidentified comparable form
  †Pachydiscus neevesi – or unidentified comparable form
  †Pachydiscus ootacodensis
  †Pachydiscus subcompressus
  †Pachyoncus
  †Pachyoncus kamiasoensis
  †Paladmete – tentative report
  †Palaeastraea – report made of unidentified related form or using admittedly obsolete nomenclature
  †Palaeastraea grandissima
  †Palaeobates
  †Palaeobates shastensis – type locality for species
  †Palaeocypraea
  †Palaeocypraea fontana – type locality for species
  †Palaeocypraea wilfredi – type locality for species
  †Palaeomoera
  †Palaeomoera dyskritos
  †Paleopsephaea
  †Paleopsephaea sacramentica
  †Paleotractus
  †Paleotractus crassus
  †Palinandromeda
  †Palinandromeda fimbria
  †Palinandromeda podbielensis
  Panopea
  †Panopea californica – or unidentified related form
  †Pantanellium
  †Pantanellium buntonense – or unidentified comparable form
  †Pantanellium darlingtonense
  †Pantanellium deflectum
  †Pantanellium fishcreekensis
  †Pantanellium foveatum
  †Pantanellium josephinense
  †Pantanellium meraceibaense
  †Pantanellium rarum
  †Pantanellium riedeli
  †Pantanellium squinaboli
  †Pantanellium ultrasincerum
  †Paraganides – type locality for genus
  †Paraganides californicus – type locality for species
  †Parahauerites
  †Parahauerites ashleyi – type locality for species
  †Parahoplites
  †Parahoplites sjogreni – or unidentified related form
  †Parahsuum
  †Parahsuum izeense
  †Parahsuum mostleri
  †Parahsuum ovale
  †Parahsuum publicum
  †Parahsuum simplum
  †Parahsuum stanleyense
  †Parahsuum transiens – or unidentified comparable form
  †Parallelodon
  †Parallelodon brewerianus
  †Parallelodon vancouverensis
  †Paranannites
  †Paranannites oviformis – type locality for species
  †Parapachydiscus
  †Parapachydiscus bidwelli – type locality for species
  †Parapachydiscus catarinae
  †Parapachydiscus cortinaensis – type locality for species
  †Parapachydiscus panochensis – type locality for species
  †Parapachydiscus peninsularis – or unidentified related form
  †Parapachydiscus stanislausensis – type locality for species
   †Parapuzosia
  †Parapuzosia arenaica – type locality for species
  †Parapuzosia giganteum – type locality for species
  †Parapuzosia hearni – type locality for species
  †Parapuzosia hindsi – type locality for species
  †Parapuzosia klamathonrae – type locality for species
  †Parapuzosia waringi
  †Paratropites
  †Paratropites colei
  †Paratropites shastensis
  †Parisculites
  †Parisculites obolinus
  †Paronaella
  †Paronaella aranae
  †Paronaella bandyi
  †Paronaella broennimanni – or unidentified related form
  †Paronaella cleopatraensis
  †Paronaella coalescenda
  †Paronaella egregia
  †Paronaella inornata
  †Paronaella nipomoensis
  †Paronaella obesa
  †Paronaella panda
  †Paronaella solanoensis – or unidentified comparable form
  †Partschiceras
  †Partschiceras grantzi – or unidentified comparable form
  †Parussuria
  †Parussuria compressa – type locality for species
  Parvamussium
  †Parvicingula
  †Parvicingula alamoensis
  †Parvicingula blowi
  †Parvicingula bluefordae
  †Parvicingula boesi
  †Parvicingula broqueta
  †Parvicingula citae
  †Parvicingula colemani
  †Parvicingula corona
  †Parvicingula cuyamaensis
  †Parvicingula deadhorsensis
  †Parvicingula dhimenaensis – or unidentified related form
  †Parvicingula excelsa
  †Parvicingula gorda
  †Parvicingula gracila
  †Parvicingula jonesi
  †Parvicingula khabakovi – or unidentified comparable form
  †Parvicingula obstinata
  †Parvicingula rothwelli
  †Parvicingula sanfilippoae
  †Parvicingula satura
  †Parvicingula thomesensis
  †Parvicingula turrita
  †Parvicingula whalenae
  †Parvicingula yehae
  †Parvivacca
  †Parvivacca coraforma
  †Parvivacca immodica
  †Parvivacca marina
  †Parvivacca robusta
  †Parvivacca simplex
  †Parvivacca varica
  †Paskentana
  †P
caption: Assemblage of fossilized shells of the Cretaceous-Pleistocene oyster Pycnodonte
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