Abrek Bay AB1021 (Triassic of Russian Federation)

Where: Russian Federation (42.9° N, 132.4° E: paleocoordinates 43.6° N, 110.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Neospathodus ex gr waageni-N. novaehollandiae conodont zone, Zhitkov Formation, Smithian (251.3 - 247.2 Ma)

• Clypeoceras timorense ammonoid zone

• bed-level stratigraphic resolution

Environment/lithology: submarine fan; lithified, concretionary mudstone

• Laminated mudstone with calcareous concretions

Size class: macrofossils

Primary reference: Y. Shigeta, Y. D. Zakharov, H. Maeda and A. M. Popov. 2009. The Lower Triassic System in the Abrek Bay area, south Primorye, Russia. National Museum of Nature and Science Monographs 38:1-218 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90220: authorized by Matthew Clapham, entered by Matthew Clapham on 14.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Chondrichthyes
 Euselachii -
Euselachii indet.
Euselachii indet. elasmobranch
 Hybodontiformes - Acrodontidae
Acrodus cf. cuneocostatus
Acrodus cf. cuneocostatus Cuny et al. 2001 elasmobranch
 Hybodontiformes - Hybodontidae
Hybodus sp.
Hybodus sp. Agassiz 1834 elasmobranch
 Hybodontiformes - Polyacrodontidae
Polyacrodus sp.
Polyacrodus sp. Jaekel 1889 elasmobranch
 Hybodontiformes -
Lissodus cf. cristatus
Lissodus cf. cristatus Delsate and Duffin 1999 elasmobranch
Conodonta
 Ozarkodinida - Ellisoniidae
? Ellisonia cf. peculiaris
? Ellisonia cf. peculiaris Sweet 1970 conodont
 Ozarkodinida - Gondolellidae
Neospathodus pakistanensis, Eurygnathodus costatus, "Neospathodus ex gr. waageni" = Novispathodus waageni
Neospathodus pakistanensis Sweet 1970 conodont
Eurygnathodus costatus Staesche 1964 conodont
"Neospathodus ex gr. waageni" = Novispathodus waageni Sweet 1970 conodont
Gastropoda
 Bellerophontida - Euphemitidae
Warthia zakharovi
Warthia zakharovi Kaim 2009 snail
Cephalopoda
 Ceratitida - Gyronitidae
Abrekites editus n. sp., Abrekites planus n. sp.
Abrekites editus n. sp. Shigeta and Zakharov 2009 ceratite
Abrekites planus n. sp. Shigeta and Zakharov 2009 ceratite
 Ceratitida - Flemingitidae
"Palaeokazakhstanites ussuriensis" = Palaeokazachstanites ussuriensis, Ussuriflemingites primoriensis n. sp., Rohillites laevis n. sp., Shamaraites schamarensis
"Palaeokazakhstanites ussuriensis" = Palaeokazachstanites ussuriensis Zakharov 1968 ceratite
Ussuriflemingites primoriensis n. sp. Shigeta and Zakharov 2009 ceratite
Rohillites laevis n. sp. Shigeta and Zakharov 2009 ceratite
Shamaraites schamarensis Zakharov 1968 ceratite
 Ceratitida - Proptychitidae
Clypeoceras timorense
Clypeoceras timorense Wanner 1911 ceratite
Bivalvia
 Trigoniida - Trigonodidae
Trigonodus orientalis
Trigonodus orientalis Bittner 1899 clam
 Trigoniida - Myophoriidae
Neoschizodus cf. laevigatus
Neoschizodus cf. laevigatus Ziethen 1830 clam
 Cardiida - Anthracosiidae
Unionites aff. subrectus, Unionites canalensis
Unionites aff. subrectus Bittner 1901 clam
Unionites canalensis Catullo 1847 clam
 Ostreida - Bakevelliidae
? Bakevellia sp.
? Bakevellia sp. King 1848 oyster
 Pectinida - Hunanopectinidae
Leptochondria minima
Leptochondria minima Kiparisova 1938 scallop