Abrek Bay AB1016 (Triassic of Russian Federation)

Where: Russian Federation (42.9° N, 132.4° E: paleocoordinates 41.0° N, 110.4° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Neospathodus dieneri-N. pakistanensis conodont zone, Zhitkov Formation, Dienerian (250.5 - 251.2 Ma)

• Paranorites varians ammonoid zone

• bed-level stratigraphic resolution

Environment/lithology: submarine fan; lithified, shelly/skeletal mudstone and lithified sandstone

• Laminated mudstone-sandstone succession. Warthia zakharovi bed is sandstone lens within mudstone.

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 90218: 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
Conodonta
 Ozarkodinida - Gondolellidae
Borinella cf. nepalensis, Eurygnathodus costatus, Neospathodus pakistanensis, Neospathodus dieneri
Borinella cf. nepalensis Kozur and Mostler 1976 conodont
Eurygnathodus costatus Staesche 1964 conodont
Neospathodus pakistanensis Sweet 1970 conodont
Neospathodus dieneri Sweet 1970 conodont
Chondrichthyes
 Euselachii -
Euselachii indet.
Euselachii indet. elasmobranch
 Hybodontiformes -
Lissodus cf. cristatus
Lissodus cf. cristatus Delsate and Duffin 1999 elasmobranch
 Hybodontiformes - Acrodontidae
Acrodus cf. cuneocostatus
Acrodus cf. cuneocostatus Cuny et al. 2001 elasmobranch
 Hybodontiformes - Hybodontidae
Hybodus sp.
Hybodus sp. Agassiz 1834 elasmobranch
Cephalopoda
 Ceratitida - Flemingitidae
Ussuriflemingites abrekensis n. sp.
Ussuriflemingites abrekensis n. sp. Shigeta and Zakharov 2009 ceratite
 Ceratitida - Paranoritidae
Paranorites varians
Paranorites varians Waagen 1895 ceratite
Scaphopoda
 Dentaliida - Laevidentaliidae
? Laevidentalium sp.
? Laevidentalium sp. Cossmann 1888 tusk shell
Gastropoda
 Bellerophontida - Euphemitidae
Warthia zakharovi n. sp.
Warthia zakharovi n. sp. Kaim 2009 snail
 Neritoidea - Naticopsidae
Abrekopsis depresispirus
Abrekopsis depresispirus Batten and Stokes 1986 snail