Anningasaura lymense

Post author:Adam S. Smith
Post published:05/02/2026
Post category:Species page

Anningasaura

Post author:Adam S. Smith
Post published:17/10/2020
Post category:Genus page Plesiosauria Pliosauroidea

Anningasaura is a basal plesiosaur from the Lower Jurassic of Lyme Regis, UK, known from a single three-dimensionally preserved skull. The specimen, NHMUK OR49202, was originally described and figured by Andrews (1896), who referred it to 'Plesiosaurus' macrocephalus. It was redescribed and named as the holotype of Anningasaura lymense by Vincent and…

Thaumatodracon

Post author:Adam S. Smith
Post published:16/10/2020
Post category:Genus page Plesiosauria Pliosauroidea Rhomaleosauridae

The holotype specimen, laid out in dorsal view.

Thaumatodracon is a relatively large rhomaleosaurid from the Lower Jurassic (Sinemurian) of Lyme Bay – the coast between Lyme Regis and Charmouth – UK. The holotype specimen (NLMH 106.058) is an almost complete skull and cervical (neck) series. It has a 60 cm long skull, and based on comparison with other rhomaleosaurids I…