Species: volgodvinensis (YAKOVLEV, 1924)
Etymology:
= Rhinesuchus volgodvinensis YAKOVLEV, 1924
= Rhinesuchus wolgod-vinensis MARSICANO, LATIMER, RUBIDGE & SMITH, 2017 (sic)

Holotype: PIN 2253/16-19

Locality: Unknown, Vetluga River, Gorky Province, European Russia.

Horizon:Vetluga Series.

Biostratigraphy:

Age: Unknown, Early Triassic.

Material: Partial skull roof.
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Species: angustifrons RIABININ, 1930
Etymology:
= Capitosaurus angustifrons (RIABININ, 1930)
= Parotosaurus angustifrons (RIABININ, 1930) WELLES & COSGRIFF, 1965

Holotype: CNIGR mus (TsNIGRmus) 3417

Locality: Right bank of Wetlug River, Zubovskoye, approximately Late. 57N, Long. 47 E., Nnizhnii Novgorod Province (Gorky Province), northern European Russia.

Horizon: Upper part of Vetluga Series, Sludkian Horizon.

Biostratigraphy:

Age: Early Triassic.

Material: Incomplete skull.

Referred material:

A quantity of additional fragments and skeletal elements.
Referred material:

BYSTROW & EFREMOV, 1940

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

No. 6-19/2252: Fragmentary skull.

GETAMOV, 1979

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

19/2253: Lower jaw.

NOVIKOV & SENNIKOV, 1995

Locality: Tikhvinskoye locality, right bank of the Volga River, 12 km from the city of Rybinsk, north of Moscow, Rybinskaya district, Yaroslavl’ Province, European Russia.

Horizon: Rybinskian Horizon.

Biostratigraphy:

Age: Early Triassic.

Material:

Number: Not given:

SENNIKOV, 1981

Locality: Kuinka, Upper Volga Region, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 3819/1: Preorbital region of skull.

 

Locality: Reshma, Upper Volga Region, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 2413/1: Fragmentary skull, lower jaw and fragmentary skeleton.

 

Locality: Krasnyye Pozhani, Upper Volga Region, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 155/1: Postorbital part of skull with lower jaw.

Locality: Bol'shaya Sludka, Vetluga River, Moscow Syncline, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 524/48: Skull without preorbital part.

PIN 2253/16-19: Fragmentary skull.

 

Locality: Teryukhai, Kobra River, Volga-Ural Anticline, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 3581/1: 2 postorbital parts of skull.

Locality: Korzhinskoye, Volga-Ural Anticline, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 3583/1: Fragmentary skull.

ROCEK, 1991

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

PIN 3200/237: Fragmentary skull.

 

TVERKOKHLEBOV, TVERDOKHLEBOVA, SURKOV & BENTON, 2002

Locality: Sukhushka II, Sukhushka ravine, right tributary of the Kamenny Yar ravine, 9.2 km west, SW of Spasskoe village, Orenburg Region, Eastern European Russia.

Horizon: Kzylsaiskaya Svita, Sludkian Gorizont, Uppermiddle Vetlugan Supergorizont.

Biostratigraphy:

Age: Uppermiddle to Lower Upper Buntsandstein, Middle Olenkian Stage, Scythian Epoch, Early Triassic.

Material:

Number: Not given: Scapulocoracoid.

Locality: Korneevka II, right bank of the Kalmanka River, right ributary of the Sezhaya River, 0.6 km east of Korneevka village, Samara Region, Eastern European Russia.

Horizon: Kzylsaiskaya Svita, Sludkian Gorizont, Uppermiddle Vetlugan Supergorizont.

Biostratigraphy:

Age: Uppermiddle to Lower Upper Buntsandstein, Middle Olenkian Stage, Scythian Epoch, Early Triassic.

Material:

Number: Not given: Skull fragments

 

= Wetlugasaurus volgensis (HARTMAN-WEINBERG & KUZMIN, 1936) EFREMOV, 1940
Etymology:
= Capitosaurus volgensis HARTMAN-WEINBERG & KUZMIN, 1936

Holotype: IN 155/60

Locality: Oka-Zna anticline, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material: Posterior part of skull.

 

= Volgasaurus kalajevi KUZMIN, 1937
Etymology:
= Wetlugasaurus kalajevi (KUZMIN, 1937) KALANDADZE, OCHEV, TATARINOV, CHUDINOV, & SHISHKIN, 1968

Holotype: PIN 155/11

Locality: Volga River Basin, Orenburgskaya Oblast, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material: Posterior half of skull.

 

= Volgasuchus cornutus EFREMOV, 1940
Etymology:
= Volgasaurus cornutus EFREMOV, 1940
Etymology:
= Wetlugasaurus cornutus (EFREMOV, 1940) KALANDADZE, OCHEV, TATARINOV, CHUDINOV, & SHISHKIN, 1968

Holotype: PIN 155/2

Locality: From the outcrop of the left bank of the Volga River, near the Pless Town, Moscow Syncline, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material: Posterior part of a small skull.

 

= Wetlugasaurus kzilsajensis OCHEV, 1972
Etymology:

Holotype: SGU 104/75

Locality: Point 2, Kyzl-say III site, upper reaches of Kzyl-Oba River, (drainage basin of left bank of the Ural River), opposite of AndreevkaVillage, Orenbrug Province, European Russia.

Horizon: Lower fossiliferous level, Kzylsaiskaya Svita, Sludkian Gorizont, Uppermiddle Vetlugan Supergorizont.

Biostratigraphy:

Age: Uppermiddle to Lower Upper Buntsandstein, Middle Olenkian Stage, Scythian Epoch, Early Triassic.

Material: Skull fragment.

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Species: latirostris RIABININ, 1930
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:
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Species: vjatkensis GUBIN, 1987
Etymology:

Holotype: CNIGR mus (old TsNIGRuzey) 332/1

Locality: Kirov region, Omutninskiy district, Chernaya Kholunitsa, European Russia.

Horizon: Wetluga Group.

Biostratigraphy:

Age: Early Triassic.

Material: Skull and dentary.

Referred material:

= Melosaurus uralensis
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

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Species: malachovi NOVIKOV, 1990
Etymology: In honor of geologist A. A. Malakhov.

Holotype: PIN 4333/1

Locality: Mala locality, right bank of Tsil'ma River 1.5 km below mouth of Myla River, Komi Republic, European Russia.

Horizon: Ust-Mylian Horizon, Vetluga Series (Upper Charkabonzhskaya Formation, Upper part of Sludkinskiy Horizon.)

Biostratigraphy:

Age: Early Triassic.

Material: Posterior part of skull.

Referred material:

PIN 4333/2, 3: Right and left pterygoidea.

VNIGRI 843/8: Right tabular.

Locality: Cherepanka-III Locality, Middle Timan, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

VNIGRI 843/1: Fragment of skull roof including tabulare and supratemporale.

 

Locality: Tsil'ma-V Locality, Middle Timan, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

VNIGRI 843/3: Left tabulare and right pterygoideum.

 

Locality: Vybor-II Locality, Middle Timan, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 3360/6, 7: Right tabulare and fragment of left pterygoideum.

 

Locality: Peschanozerskaya 35 boorehole, Kolguyev Island, 1543.4-1551.4 m depth interval, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

VNIGRI 842/1, 2: Left pterygoideumand fragment of left tabulare.

 

Locality: Nizhnayaya Syamzhen'ga-V Locality, Middle Timan, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 3359/18, 19: Left tabulare and fragment of right pterygoideum.

 

Locality: Nizhnaya Syamzhen'ga-X, Locality, Middle Timan, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 3359/20, 21: Fragments of right and left pterygoidea.

 

Locality: Nizhnyaya Syamzhen'ga-IV locality, Middle Timan, European Russia.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

PIN 3359/28: Left tabualre.

 

ULIAKHIN, SENNIKOV & NOVIKOV, 2024

Locality: Mansurovo Locality, Pervomaisky District, Orenbrug Region, European Russia.

Horizon: Ustmylian Horizon, Gostevskaya Formation.

Biostratigraphy: Member 3.

Age: Lower Olenekian Stage, Scythian Epoch, Early Triassic.

Material:

PIN, no. 5880/30: Skull.