Trinacromerum

Taxonavigation

Taxonavigation: Cryptoclidoidea 

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Cladus: Archelosauria
Division: Pan-Testudines
Superordo: †Sauropterygia
Ordo: †Plesiosauria
Subordo: Plesiosauroidea
Superfamilia: Cryptoclidoidea

Familia: †Polycotylidae
Genus: Trinacromerum
Species: T. bentonianum – T. kirki – T. lafquenianum

Name

Trinacromerum Cragin 1888

References

  • Albright, L. B., Gillette, D. D., & Titus, A. L. (2007) "Plesiosaurs from the Upper Cretaceous (Cenomanian-Turonian) Tropic Shale of southern Utah, part 2: Polycotylidae". Journal of Vertebrate Paleontology 27(1):41-58.
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