Gen. sp indet.
BARRIENTOS-LARA & ALVARADO-ORTEGA, 2026
Locality: Llano Yosobe site, ~3.5 km southeast of the town of Tlaxiaco, Oaxaca State, Mexico.
Horizon: Sabinal Formation.
Biostratigraphy:
Age: Kimmeridigian Stage, Malm Epoch, Late Jurassic.
Material:
IGM 14692: An isolated probable dentary or maxilla fragment with 3 in situ teeth.
_______________________________________________________________________________________
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.
_____________________________________________________________________________________
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.