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Extinct genus of tetrapodomorphs
Ptyonius is an extinct genus of nectridean tetrapodomorphs within the family Urocordylidae. Paleontology portal Camp, Charles Lewis; VanderHoof, Vertress
Ptyonius
Extinct genus of amphibians
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Diplocaulus
Extinct genus of amphibious tetrapod
Nectridea Urocordylidae Crossotelos Sauropleura Urocordylus Ctenerpeton Ptyonius Scincosaurus Diplocaulidae Keraterpeton Batrachiderpeton Diceratosaurus
Albadris
Extinct genus of tetrapodomorphs
synonym of Isodectes obtusus, and Colosteus marshii was given its own genus, Ptyonius. Robert W. Hook and Donald Baird (March 1988). "An Overview of the Upper
Colosteus
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Sauropleura
Extinct order of amphibians
Nectridea Urocordylidae Crossotelos Sauropleura Urocordylus Ctenerpeton Ptyonius Scincosaurus Diplocaulidae Keraterpeton Batrachiderpeton Diceratosaurus
Nectridea
Extinct family of tetrapodomorphs
Nectridea Ptyonius Urocordylidae Sauropleura Urocordylus Scincosaurus Diplocaulidae Keraterpeton Diceratosaurus Batrachiderpeton Peronedon Diplocaulus
Diplocaulidae
Extinct order of tetrapods
Adelospondyli Scincosaurus Urocordylidae Sauropleura Urocordylus Ctenerpeton Ptyonius Diplocaulidae Batrachiderpeton Keraterpeton Diceratosaurus Diploceraspis
Microsauria
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Batrachiderpeton
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Keraterpeton
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Urocordylus
Polyphyletic group of tetrapodomorphs
Diceratosaurus brevirostris Diplocaulus magnicornis Diploceraspis burkei Ptyonius marshii Sauropleura spp. Urocordylus wandesfordii Aistopoda Lethiscus stocki
Lepospondyli
Extinct family of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Scincosauridae
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Diploceraspis
Extinct family of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Urocordylidae
Prosiren Proterogyrinus Prothoosuchus Pseudophlegethontia Ptychosphenodon Ptyonius Putterillia Qikiqtania Quasicaecilia Quasicyclotosaurus Rileymillerus Rewana
List of prehistoric amphibian genera
List_of_prehistoric_amphibian_genera
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Ctenerpeton
†Protosalvinia †Prototaxites †Pterochiton †Pterotheca †Pterygotus †Ptyonius †Ptyonius marshii – type locality for species †Pugnax †Reteocrinus †Rhizocorallium
List of the prehistoric life of Ohio
List_of_the_prehistoric_life_of_Ohio
Extinct subfamily of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Sauropleurinae
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Arizonerpeton
Extinct genus of amphibians
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Diceratosaurus
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Ductilodon
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Scincosaurus
Extinct genus of tetrapods
indeed the most common tetrapods as a whole, are Sauropleura pectinata and Ptyonius marshii (both newt-like urocordylid nectrideans), followed by Ophiderpeton
Odonterpeton
Extinct genus of tetrapodomorphs
Nectridea Ptyonius Urocordylidae Sauropleura Urocordylus Scincosaurus Diplocaulidae Keraterpeton Diceratosaurus Batrachiderpeton Peronedon Diplocaulus
Peronedon
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Crossotelos
†Phillipsia †Phlegethontia †Pinna †Platyceras †Polygnathus †Prodentalium †Ptyonius – tentative report †Rugosa †Sallya – tentative report †Scoyenia Serpula
List of the prehistoric life of Arizona
List_of_the_prehistoric_life_of_Arizona
for species †Psygmophyllum †Ptarmigania †Pterinopecten †Ptyonius – tentative report †Ptyonius olisthmonaias – type locality for species †Pugnoides †Pugnoides
List of the Paleozoic life of Arizona
List_of_the_Paleozoic_life_of_Arizona
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Sauravus
†Ptychopteria †Ptychopteria flabellum †Ptychospirina †Ptychospirina varians †Ptyonius †Ptyonius marshii – type locality for species †Pugnax †Pugnax utah †Punctatisporites
List of the Paleozoic life of Ohio
List_of_the_Paleozoic_life_of_Ohio
Extinct subfamily of tetrapodomorphs
Kingdom: Animalia Phylum: Chordata Order: †Nectridea Family: †Urocordylidae Subfamily: †Urocordylinae Lydekker, 1889 Genera Ctenerpeton Ptyonius Urocordylus
Urocordylinae
List of fauna present at the Mazon Creek fossil beds
Known from Mazon Creek via a group of caudal vertebrae described in 2025 Ptyonius Nectridea Urocordylidae P. marshii Another member of the Urocordylidae
Paleofauna of the Mazon Creek fossil beds
Paleofauna_of_the_Mazon_Creek_fossil_beds
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Montcellia
Pennsylvanian-age geological unit
single partial skeleton Phlegethontia linearis Linton A common aistopod Ptyonius marshii Linton An abundant urocordylid nectridean Sauropleura pectinata
Allegheny_Group
Extinct genus of tetrapodomorphs
Keraterpeton Peronedon Urocordylidae Sauropleurinae Crossotelos Lepterpeton Montcellia Sauropleura Urocordylinae Ctenerpeton Ptyonius Urocordylus Category
Lepterpeton
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