Orophosaurus

Genus of reptiles

Orophosaurus
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Sauropsida
Subclass:
Enaliosauria
Order:
Sauropterygia
Genus:
Orophosaurus

Orophosaurus is an dubious genus of elasmosaurid plesiosaur from the Late Cretaceous of New Mexico.

Taxonomy

Orophosaurus is known only from the type species, O. pauciporus, which is based on AMNH 5692 (portions of three cervical vertebrae). The holotype was found in the Late Cretaceous Fox Hills Formation of the San Juan Basin in New Mexico.[1] Welles (1962) judged Orophosaurus to be a nomen vanum because of the very fragmentary nature of the holotype.[2]

See also

References

  1. ^ "Untitled Document".
  2. ^ S. P. Welles. 1962. A new species of elasmosaur from the Aptian of Colombia and a review of the Cretaceous plesiosaurs. University of California Publications in Geological Sciences 44(1):1-96. http://www.redciencia.cu/geobiblio/paper/1962_Welles_%20rvw%20of%20K%20plesiosaurs.pdf
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Sauropterygia
  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Sauropsida
  • Subclass: Diapsida
  • Clade: Neodiapsida
Sauropsida
    • see Sauropsida
Sauropterygia
    • see below↓
Sauropterygia
Sauropterygia
Cyamodontida
Placochelyida
Henodontidae
Placochelyidae
Eosauropterygia
    • see below↓
Placodus gigas Placochelys placodonta
Pachypleurosauria/Pachypleurosauridae
Nothosauroidea
Nothosauria
Simosauridae
Nothosauridae
Lariosaurinae
Pistosauroidea
Pistosauria
Plesiosauria
    • see below↓
Keichousaurus hui

Nothosaurus mirabilis

Pistosaurus longaevus
Rhomaleosauridae
Pliosauridae
Thalassophonea
Brachaucheninae
Plesiosauroidea
Microcleididae
Cryptoclidia
    • see below↓
Macroplata tenuiceps

Attenborosaurus conybeari

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

Leptocleidus capensis

Elasmosaurus platyurus
Taxon identifiers
Orophosaurus


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