Name:
Gnathomortis
(jaws of death).
Phonetic: Nay-fo-mor-tis.
Named By: J. R. Lively - 2020.
Synonyms: Prognathodon stadtmani.
Classification: Chordata, Reptilia,
Mosasauroidea, Mosasauridae, Mosasaurinae.
Species: G. stadtmani
(type).
Diet: Carnivore.
Size: Uncertain but roughly estimated at about 10
meters long.
Known locations: USA, Colorado - Mancos Shale.
Time period: Campanian of the Cretaceous.
Fossil representation: Partial skull and vertebrae.
Originally
thought to represent a species of Prognathodon,
Gnathomortis
was
established as a distinct genus of mosasaur
in 2020.
Further reading
- Prognathodon stadtmani
(Mosasauridae): a new species from the Mancos Shale (Lower
Campanian) of western Colorado. - Utah Geological Survey
Miscellaneous Publication. 99 (1): 275–294. - M. S.
Kass - 1999.
- Redescription and phylogenetic assessment of
'Prognathodon' stadtmani: implications for Globidensini monophyly
and character homology in Mosasaurinae. - Journal of Vertebrate
Paleontology: e1784183. - J. R. Lively - 2020.
![]() |
![]() |
![]() |