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.


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