Species: orlovi IVACHNENKO, 1995
Etymology: In honor of paleontologist Academician Yu. A. Orlov.

Holotype: PIN No. 4276/13

Locality: Golyusherma locality, Kama River, Alanshskii District, Udmurtia Republic, European Russia.

Horizon: Belebei Formation, Biarmian Series, Uppr Kazanian Substage.

Biostratigraphy: Ocher Faunal Assemblage, Golyusherma Faunal Subassemblage.

Age: Lower Kazanian substage, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.

Material: Right upper jaw.

Referred material:

= Microsyodon cf. orlovi IVAKHENKO et al, 1997

Locality: Berezoyve Polyanki Locality (Samodurovka), Mamadyshskii District, Tatarstan, European Russia.

Horizon:

Biostratigraphy:

Age: Lower Kazanian substage, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.

Material:

PIN 4310/2: Left maxilla.