Gen. sp indet.

YOUNG, ZVERKOV, ARKHANGELSKY, IPPOLITOV, MELESHIN, MIRANTESEV, SHMAKOV & STENSHIN, 2023

Locality: Sovkhoz Leninskiy put' near CHP 5 power station, Saratov, Saratov Oblast, European Russia.

Horizon: Khlebnovka Formation.

Biosratigrophy: Cadoceras elatmae or Cadochamoussetia subpatruus Ammonite Biozone.

Age: Lower half of the lower Callovian Stage, Dogger Epoch, Middle Jurassic.

Material:

Morphotype 1

SSU 104a/29 (old SSU 14/31): Tooth crown.

Locality: Mikhalenino Village, Makariev District, Kostroma Oblast, European Russia.

Horizon: Kologriv Formation.

Biostratigraphy: cadoceras elatmae ammonite Biozone.

Age: Lower Callovian Stage, Dogger Epoch, Middle Jurassic.

Material:

Morphotype 2

SGM BX-12: Tooth crown.

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ZVERKOV, ARKHANGELSKY, GULYAEV, IPPOLITOV & SHMAKOV, 2024

Locality: Mikhalenino, Makariev District, Kostroma Region, European Russia.

Horizon:

Biostratigraphy: Reworked fauna of P. elatmae and C. subpatruus zones at the base of G. gowerianum Subzone.

Age: Lower Callovian Stage, Dogger Epoch, Middle Jurassic.

Material:

SGM 1960-01: Tooth crown.

Locality: Mikhaylovcement Quarry,Mikhaylov District, Ryazan Region, European Russia.

Horizon:

Biostratigraphy:

Age: Upper Callovian Stage, Dogger Epoch, Middle Jurassic.

Material:

SGM w/0 number: Cervical vertebra.

Locality: Sovkhoz Leninskiy Put-nea CHP 5, Saratov, Saratov Region, European Russia.

Horizon:

Biostratigraphy: P. elatmae Zone.

Age: Lower Callovian Stage, Dogger Epoch, Middle Jurassic.

Material:

SSU 14/31 (historical No 104a/29): Tooth crown.