Genus: Platyoposaurus LYDEKKER, 1890
Etymology:
= Platyops TWELVETREES, 1880 non AGASSIZ, 1846
Etymology:

Species: ricardi (TWELVETREES, 1880) LYDEKKER, 1890
Etymology:
= Platyops rickardi TWELVETREES, 1880

Holotype: Private collection of Mr. Richard (now lost), PIN unnumbered.

Locality: Rozhdestvensky Mine, Kargalinskie rudniki, 6.5 km N of Gomy Village, Orenburg region (Orenburgskaya Oblast), Cisuralia, southeastern European Russia.

Horizon: Copper Sandstones, Urzhumain Horizon (Gorizont).

Biostratigraphy:

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

Material: Posterior skull roof.
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Species: stuckenbergi (TRAUTSCHOLD, 1884) LYDKKER, 1890
Etymology:
= Platyops stuckenbergi TRAUTSCHOLD, 1884

Lectotype: PIN 49/1 (KGU 25 = Trautschold specimen 1)

Locality: Akbatyrovski Mine, Malmyzh District, Kirov Province, easternmost European Russia.

Horizon:

Biostratigraphy:

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

Material: Skull.

Paratypes: PIN 49/2-7, 14, 16:

Referred material:

KONZHUKOVA, 1955

Locality: Belebei locality, Belebeiskii District, Bashkortostan (Bashkiry) Province, Western Cisuraly, European Russia.

Horizon: Biarmian Series, Belebey Formation, Zone II.

Biostratigraphy: Ocher Faunal Assemblage, Ocher Faunal Subassemblage, Zone II.

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

Material:

PIN 164-1/1: Skull and dentary missing snout.

PIN 164-1/2: Fragmentary skull and fragmentary skeleton.

PIN 164-1/3: Fragmentary scapula, clavical, interclavicale and anterior end of humerus.

PIN 164-1/4: Fragmentary coracoid.

PIN 164-1/5: Ulna and radius.

PIN 164-1/6: Ilium blade.

PIN 164-1/7: Femur.

PIN 164-1/8: Fragmentary foot.

PIN 164-1/9: Fragmentary scapula, fragmentary interclavicle with ventral scales.

PIN 164-1? Fragmentary dentary.

? 19: Fragment of top of skull.

?17: Fragment of lower jaw.

?20: Fragment of skull.


LYDEKKER 1890

Locality: Government of Perm, European Russia.

Horizon:

Biostratigraphy:

Age: Zechstein Epoch, Late Middle Permian.

Material:

BMNH R694: Fragment of a skull.

 

Locality: Malaya Kinel Locality, Orenburg Region, European Russia.

Horizon:

Biostratigraphy:

Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.

Material:

PIN 272/57: Right femur.


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Species: watsoni (EFREMOV, 1932)  SCHOCH & MILNER, 2000
Etymology:
= Platyops watsoni EFREMOV, 1932

Holotype: 2250/8

Locality: Shikhovo-Cherki, Slobodskoy, Kirov Province, Eastern European Russia.

Horizon:

Biostratigraphy:

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

Material: Skull in palatal aspect.

Referred material:

PIN 161 batch:

MCZ 1749-50:


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Species: vjuschkovi GUBIN, 1989
Etymology:
= Platyops sp VJUSCHKOV, 1955

Holotype: PIN 272/57

Locality: 500 m below Shikham settlement, Malaya Kinel, 0.2 km E of Troitskoe village, right bank of Malaya Kinel River, Samara drainage basin, Krasnopartizanskiy district, Orenburg Region, European Russia.

Horizon: Amanakskaya Svita, Urzhumian Gorizont.

Biostratigraphy:

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

Material: Right femur.