Pahasapasaurus

Genus of polycotylid plesiosaurs

Pahasapasaurus
Temporal range: Late Cretaceous, late Cenomanian
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
Life restoration
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Sauropterygia
Order: Plesiosauria
Family: Polycotylidae
Genus: Pahasapasaurus
Species:
P. haasi
Binomial name
Pahasapasaurus haasi
Schumacher 2007

Pahasapasaurus is a genus of polycotylid plesiosaur from the late Cenomanian-aged Greenhorn Limestone of South Dakota, USA, about 94 million years ago. Distinctive features of the taxon include elongate epipodial bones (radius/ulna - tibia/fibula) and the nature of the palate bones (roof of the mouth). The type species is P. haasi.[1]

See also

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References

  1. ^ Schumacher, B. A. 2007. A new polycotylid plesiosaur (Reptilia; Sauropterygia) from the Greenhorn Limestone (Upper Cretaceous; lower upper Cenomanian), Black Hills, South Dakota. in Marin, J.E., and Parris, D.C., eds., The Geology and Paleontology of the Late Cretaceous Marine Deposits of the Dakotas: Geological Society of America Special Paper 427, p. 133-146.
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Sauropsida
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Sauropterygia
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Helveticosauridae?
Saurosphargidae?
Placodontia
Cyamodontoidea
Eosauropterygia
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Helveticosaurus zollingeri Placochelys placodonta
Pachypleurosauria
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Keichousaurus hui

Nothosaurus mirabilis

Pistosaurus longaevus
Rhomaleosauridae
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Cryptoclidia
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Macroplata tenuiceps

Attenborosaurus conybeari

Hydrorion brachypterygius
Cryptoclididae
Colymbosaurinae
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Muraenosaurinae
Leptocleidia
Leptocleididae
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Palmulasaurinae
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Polycotylinae
Dolichorhynchia
Euelasmosaurida
Elasmosaurinae
Weddellonectia
Aristonectinae
Cryptoclidus eurymerus

Leptocleidus capensis

Elasmosaurus platyurus
Taxon identifiers
Pahasapasaurus


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