Genus: Phreatosuchus EFREMOV, 1954
Etymology: Greek, phreatos (phrear), “well, cistern (subterranean waters)”, Greek, soukhos, “crocodile”: Subterranean crocodile.
= Dinosaurus SEELEY, 1894 non FISCHER, 1847 (Dinosaurus murchisoni, Therapsida, Phthinosuchidae)

Species: qualeni EFREMOV, 1954
Etymology:
= Dinosaurus SEELEY, 1894

Holotype: LGM/ChMP 76

Locality: Santagulov Mines of Bashkir, European Russia.

Horizon:

Biostratigraphy: Probably Zone I.

Age: Kazanian Substage, Guadelupian Stage, Lower Zechstein Epoch, Early Late Permian.

Material: Femur.

Referred material:

LGM/ChMP 77: Head of femur.

LGM/ChMP 48: Anterior end of ulna.

LGM/ChMP 49: Radius.

LGM/ChMP 71: Fragmentary femur.