Name: Benthosuchus.
Phonetic: Ben-foe-soo-kus.
Named By: Efremov‭ ‬-‭ ‬1937.
Synonyms: Parabenthosuchus.
Classification: Chordata,‭ ‬Amphibia,‭ ‬Temnospondyli,‭ ‬Stereospondyli,‭ ‬Benthosuchidae.
Species: B.‭ ‬sushkini‭ (‬type‭)‬,‭ ‬B.‭ ‬bashkiricus‭?‬,‭ ‬B.‭ ‬gusevae,‭ ‬B.‭ ‬korobkovi,‭ B. lukyanovi, ‬B.‭ ‬uralensis.
Diet: Carnivore.
Size: Body length estimated to be about‭ ‬2.5‭ ‬meters long.‭ ‬Skull seventy-five centimetres long.
Known locations: Russia.
Time period: Induan to Olenekian of the Triassic.
Fossil representation: Multiple specimens but usually of cranial remains.

       Benthosuchus has been considered to be a member of the Trematosauroidea‭ (‬type genus Trematosaurus‭)‬,‭ ‬but in more recent time the genus has also been considered to be a member of the Mastodonsauroidea‭ (‬type genus Mastodonsaurus‭)‬.‭ ‬However the primitive nature of Benthosuchus makes a confident assignment difficult to establish.‭
       Benthosuchus seems to have been a mid-sized temnospondyl amphibian with an estimated length or around two and a half meters.‭ ‬As a predator Benthosuchus likely preyed upon fish and other smaller temnospondyls.

Further reading
-‭ ‬The Triassic amphibian Thoosuchus yakovlevi and the relationships of the Trematosauroidea‭ (‬Temnospondyli:‭ ‬Stereospondyli‭)‬.‭ ‬-‭ ‬Records of the Australian Museum‭ ‬55:‭ ‬331‭–‬342.‭ ‬-‭ ‬R.‭ ‬J.‭ ‬Damiani‭ & ‬A.‭ ‬M.‭ ‬Yates‭ ‬-‭ ‬2003.
-‭ ‬New data on trematosauroid labyrinthodonts of Eastern Europe:‭ ‬4.‭ ‬Genus Benthosuchus Efremov,‭ ‬1937.‭ ‬-‭ ‬Paleontological Journal‭ ‬46‭(‬4‭)‬:68-79‭ ‬-‭ ‬I.‭ ‬V.‭ ‬Novikov‭ ‬-‭ ‬2012.
- A New Benthosuchid (Amphibia: Temnospondyli) from the Lower Triassic of the Moscow Syncline. - Paleontological Journal 54(4):401–409. - Boris Morkovin - 2020.


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