page_title: List of the Paleozoic life of Wyoming
section_title: P
hierarchical_section_title: List of the Paleozoic life of Wyoming / P
caption_attribution_description: English: Platystrophia ponderosa, Maysvillian (Upper Ordovician) near Madison, Indiana. Now Vinlandostrophia ponderosa (Foerste, 1909); see: Zuykov, M.A. and Harper, D.A.T. 2007. Platystrophia (Orthida) and new related Ordovician and Early Silurian brachiopod genera. Estonian J. Earth Sci. 56: 11-34.
context_page_description: This list of the Paleozoic life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming and are between 541 and 252.17 million years of age.
context_section_description: †Paladin
  †Paladin moorei
  †Palaeoneilo
  †Palaeoneilo mcchesneyana
  †Palaeonubecularia – or unidentified comparable form
  †Palaeophyllum
  †Palaeophyllum gracile
  †Palaeophyllum humei
  †Palaeotextularia
  †Palaeotextularia consobrina – or unidentified loosely related form
  †Palaeotextularia longiseptata – or unidentified loosely related form
  †Paleocuticularia – type locality for genus
  †Paleocuticularia perforata – type locality for species
  †Paleofavosites
  †Paleofavosites prayi
  †Paleyoldia
  †Paleyoldia amsdenensis
  †Paltodus
  †Parabolinoides
  †Parabolinoides expansus
  †Paracedaria
  †Paracedarina
  †Paractinoceras
  †Parajuresania
  †Parajuresania nebrascensis
  †Parallelodon
  †Parallelodon multistriatus – or unidentified comparable form
  †Paraschizodus – type locality for genus
  †Paraschizodus elongatus – type locality for species
  †Paraspiriferina
  †Paraspiriferina formulosa – type locality for species
  †Parehmania
  †Parehmania inornata
  †Peripetoceras
  †Permophorus
  †Permophorus albequus
  †Permophorus pricei – type locality for species
  †Pernopecten
  †Petrocrania
  †Pharkidonotus
  †Pharkidonotus altitropis – type locality for species
  †Phestia
  †Phestia perumbonata
  †Pimmacanthus
  †Pimmacanthus inequistriatus
  †Plaesiomys
  †Plaesiomys rockymontana – or unidentified related form
  †Plagioglypta
  †Planoendothyra
  †Planospirodiscus
  †Platyceras
  †Platyceras yochelsoni – type locality for species
   †Platystrophia
  †Platystrophia equiconvexa
  †Plethopletis
  †Plethopletis arbucklensis
  †Pleurosiphonella
  †Pleurosiphonella drummondi
  †Polidevcia
  †Polidevcia bellistriata
  †Polidevcia obesa
  †Polycaulodus
  †Polycaulodus bidentatus
  †Posidonia
  †Praearcturus
  †Proagnostus – or unidentified comparable form
  †Procostatoria
  †Procostatoria sexradiata
  †Prodentalium
  †Prodentalium canna
  †Protaspis
  †Protaspis brevispina
  †Protaspis mcgrewi
  †Protaspis ovata
  †Protaspis sculpta
  †Protaspis transversa
  †Prototreta
  †Pseudagnostus
  †Pseudagnostus douvillei
  †Pseudagnostus prolongus – or unidentified comparable form
  †Pseudobythocypris – tentative report
  †Pseudobythocypris amsdenensis
  †Pseudoendothyra
  †Pseudoendothyra kremenskensis – or unidentified loosely related form
  †Pseudogastrioceras
  †Pseudoglomospira
  †Pseudomatthevia
  †Pseudomatthevia conica
   †Pseudomelania – tentative report
  †Pseudomonotis
  †Pseudomonotis likharevi
  †Pseudorthoceras
  †Pseudorthoceras knoxense
  †Pseudovidrioceras
  †Pseudovidrioceras girtyi
  †Pseudozygopleura
  †Pseudozygopleura croneisi
  †Pseudozygopleura girtyi – or unidentified comparable form
  †Psilophyton
  †Psilophyton wyomingense – type locality for species
  †Pterocephalia
  †Pterocephalia bridgei
  †Pteroconus
  †Pteroconus gracilis
  †Pugnoides
  †Pugnoides quinqeuplecis
  †Pugnoides quinqueplecis
  †Pulsia
  †Pulsia delira
caption: Fossilized shell of the Middle Ordovician-Silurian brachiopod Platystrophia
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