According to Tarlo (1960), L. pachydeirus differs from L. ferox in the morphology of its teeth and cervical vertebrae. L. pachydeirus has enamel ridges closely packed on inner surface and 6-7 evenly spaced ridges on outer surface, cervical vertebrae with faint ventral keel (Tarlo, 1960).
Liopleurodon pachydeirus
Species
L. pachydeirus
Author
(Seeley, 1869)
Classification
Sauropterygia
Eosauropterygia
Eusauropterygia
Pistosauroidea
Pistosauria
Plesiosauria
Pliosauroidea
Pliosauridae
Liopleurodon
Age
Callovian, Middle Jurassic
Type location
Great Gransden, UK
Geological formation
Oxford Clay Formation
Type specimen
Associated cervical vertebrae
Referred material
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