Pliosaurus
Extinct genus of reptiles / From Wikipedia, the free encyclopedia
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Pliosaurus (meaning 'more lizard') is an extinct genus of thalassophonean pliosaurid known from the Late Jurassic (Kimmeridgian and Tithonian stages) of Europe and South America.[3] Most European species of Pliosaurus measured around 8 metres (26 ft) long and weighed about 5 metric tons (5.5 short tons), but P. rossicus and P. funkei would have been one of the largest plesiosaurs of all time, exceeding 10 metres (33 ft) in length.[4][5][6] This genus has contained many species in the past but recent reviews found only six (P. brachydeirus (type species), P. carpenteri, P. funkei, P. kevani, P. rossicus and P. westburyensis) to be valid, while the validity of two additional species awaits a petition to the International Code of Zoological Nomenclature. Currently, P. brachyspondylus and P. macromerus are considered dubious, while P. portentificus is considered undiagnostic.[1][2][7][5][8] Species of this genus are differentiated from other pliosaurids based on seven autapomorphies, including teeth that are triangular in cross section.[1][2] Their diet would have included fish, cephalopods, and marine reptiles.
Pliosaurus | |
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P. kevani holotype skull | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Superorder: | †Sauropterygia |
Order: | †Plesiosauria |
Family: | †Pliosauridae |
Clade: | †Thalassophonea |
Genus: | †Pliosaurus Owen, 1842 |
Type species | |
†Pliosaurus brachydeirus Owen, 1842 | |
Species[1][2] | |
Species pending reassessment
Species pending ICZN petition
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Synonyms | |
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