(seldom seen one).
Named By: Michela M.Johnson, Mark T. Young & Stephen L. Brusatte - 2020.
Synonyms: Steneosaurus megistorhynchus.
Classification: Chordata, Reptilia, Thalattosuchia, Machimosauridae.
Species: S. megistorhynchus (type).
Known locations: France - Calcaire de Caen. England - Cornbrash Formation.
Time period: Mid Jurassic.
Fossil representation: Partial snout and jaw.
is a genus of thalattosuchian that lived in European waters during the
mid Jurassic. Seldsienean was originally named as a species of
but was moved into its own genus as
a result of a
massive revision to the Steneosaurus genus.
- The phylogenetics of Teleosauroidea (Crocodylomorpha, Thalattosuchia) and implications for their ecology and evolution. - PeerJ. 8: e9808. - Michela M.Johnson, Mark T. Young & Stephen L. Brusatte - 2020.