Named By: Efremov - 1937.
Classification: Chordata, Amphibia, Temnospondyli, Stereospondyli, Benthosuchidae.
Species: B. sushkini (type), B. bashkiricus?, B. gusevae, B. korobkovi, B. lukyanovi, B. uralensis.
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.
has been considered to be a member of the Trematosauroidea (type
but in more recent time the genus has also
been considered to be a member of the Mastodonsauroidea (type genus
However the primitive nature of Benthosuchus
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.
- 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.