page_title: List of the Paleozoic life of Ohio
section_title: P
hierarchical_section_title: List of the Paleozoic life of Ohio / P
caption_attribution_description: English: Platyceras pulcherrimum from the Logan Formation (Mississippian) of Wooster, Ohio.
context_page_description: This list of the Paleozoic life of Ohio contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Ohio and are between 541 and 252.17 million years of age.
context_section_description: †Pachydictya
  †Pachydictya bifurcata
  †Paiderocrinus
  †Paiderocrinus asketos
  †Paiderocrinus ochthos
  †Palacanthus
  †Palacanthus acutus
  †Palaeocapulus
  †Palaeocapulus equilateralis
  †Palaeocapulus morsei – type locality for species
  †Palaeoconcha
  †Palaeolima
  †Palaeolima retifera
  †Palaeolima triplistriata
  †Palaeoneilo
  †Palaeoneilo bedfordensis
  †Palaeoneilo bownockeri
  †Palaeoneilo constricta – or unidentified related form
  †Palaeoneilo oweni
  †Palaeonucula
  †Palaeonucula lunulata – type locality for species
  †Palaeonucula subrotundata
  †Palaeopalaemon
  †Palaeopalaemon elegans – type locality for species
  †Palaeophycus
  †Palaeoporites
  †Palaeoscenidium
  †Palaeoscenidium cladophorum
  †Palaeoscenidium quadriramosum
  †Palaeostachya
  †Palaeostachya aperta
  †Palaeostachya decacnema
  †Palaeostachya elongata
  †Palaeostachya ovalis
  †Palaeostachya trabeculata – type locality for species
  †Palaeostylus
  †Palaeostylus marvinwelleri
  †Palaeostylus minuta
  †Palaeostylus venustus
  †Palaeotrochus
  †Palaeotrochus kearnyi
  †Palaeozygopleura
  †Palaeozygopleura hamiltoniae
  †Palaeozygopleura joani
  †Palaeozygopleura laeviusculum
  †Palaeozygopleura parvula
  †Palaeozygopleura sibleyensis
  †Paleofavosites
  †Paleofavosites prolificus
  †paleoporites
  †Paleschara
  †Paliphyllum
  †Paliphyllum brassfieldense
  †Paliphyllum primarium
  †Paliphyllum regulare
  †Panderodus
  †Panderodus unicostatus
  †Paracyclas
  †Paracyclas lirata
  †Paracyclas proavia
  †Paracyrtolites
  †Paracyrtolites carinatus
  †Paragoniozona
  †Paragoniozona granulostriata – or unidentified comparable form
  †Parajuresania
  †Parajuresania nebrascensis
  †Paraliospira
  †Paraliospira rugata
  †Parallelocrinus
  †Parallelocrinus sturgeoni – type locality for species
  †Parallelodon
  †Parallelodon irvinensis
  †Parallelodon obsoletus
  †Parallelodon tenuistriatus
   †Paraspirifer
  †Paraspirifer bownockeri
  †Parazyga
  †Parvohallopora
  †Parvohallopora onealli
  †Parvohallopora ramosa
  †Pasceolus
  †Pasceolus camdenensis
  †Patellilabia
  †Patelliocrinus – type locality for genus
  †Patelliocrinus planus – type locality for species
  †Pattersonia
  †Paupospira
  †Paupospira bowdeni
  †Paupospira trilineata – type locality for species
  †Paupospira tropidophora
   †Pecopteris
  †Pecopteris arborescens
  †Pecopteris candolleana
  †Pecopteris cyathea
  †Pecopteris hemitelioides
  †Pecopteris lamuriana
  †Pecopteris miltonii
  †Pecopteris unita
  †Penniretepora
  †Penniretepora irregularis – or unidentified comparable form
  †Pennoceras
  †Pennoceras seamani
  †Pentamerus
  †Permophorus
  †Permophorus oblongus
  †Permophorus subcostatus
  †Permophorus tropidophorus
  †Pernopecten
  †Pernopecten ohioensis
  †Pernopecten prosseri
  †Peronopora
  †Peronopora decipiens
  †Petalodus
   †Petalodus ohioensis
  †Petigopora
  †Petigopora offfula
  †Petraster
  †Petrocrania
  †Petrocrania hamiltonensis
  †Petrocrania laelia
  †Petrocrania modesta
  †Petrocrania scabiosa
  †Petrozium
  †Petrozium pelagicum
  †Pharkidonotus
  †Pharkidonotus breyeri – type locality for species
  †Pharkidonotus labioreflexus – type locality for species
  †Pharkidonotus percarinatus
  †Phestia
  †Phestia inflata
  †Phestia pandoraeformis
  †Philhedra
  †Philhedra crenistriatula
     †Phlegethontia – type locality for genus
  †Phlegethontia linearis – type locality for species
  †Phlegethontia longissima – type locality for species
  †Pholadella
  †Pholadella radiata
  †Pholadomorpha
  †Pholadomorpha pholadiformis
  †Pholidops
  †Pholidostrophia
  †Pholidostrophia geniculata
  †Pholidostrophia gracilis
  †Pholidostrophia nacrea
  †Phragmoceras
  †Phragmolites
  †Phragmolites elegans – type locality for species
  †Phragmosphaera
  †Phragmosphaera lyra
  †Phylloporina
  †Phyloblatta
  †Phyloblatta jeffersoniana – type locality for species
  †Phymatopleura
  †Phymatopleura brazoensis
  †Phymatopleura nodosa
  †Phyrgilocrinus
  †Phyrgilocrinus batheri
  †Phyrtosaster – type locality for genus
  †Phyrtosaster casteri – type locality for species
  †Physonemus
  †Physonemus striatus – or unidentified comparable form
  †Physotomya
  †Pianodesma
  Pinna
  †Pinna missouriensis
  †Pityosporites
  †Pityosporites westphalensis
  †Placopterina
  †Placopterina ohioensis – type locality for species
   †Plaesiomys
  †Plaesiomys subquadrata
  †Plagiascetus – type locality for genus
  †Plagiascetus lateralis – ty
caption: Fossilized shell found near Wooster of the Silurian-Early Triassic  sea snail Platyceras
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