Abrek Bay AB1025 (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)

• Radiopronorites abrekensis ammonoid "bed"

• bed-level stratigraphic resolution

Environment/lithology: submarine fan; lithified, coarse-grained, shelly/skeletal sandstone

• Coarse sandstone containing mudstone clasts and shelly material interpreted as debris flow ("high density turbidite")

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 90223: authorized by Matthew Clapham, entered by Matthew Clapham on 14.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Prionitidae
Radioprionites abrekensis n. sp. Shigeta and Zakharov 2009 ceratite
 Ceratitida - Arctoceratidae
Arctoceras septentrionale Diener 1895 ceratite
Chondrichthyes
 Euselachii -
Euselachii indet. elasmobranch
 Hybodontiformes -
Lissodus cf. cristatus Delsate and Duffin 1999 elasmobranch
 Hybodontiformes - Polyacrodontidae
Polyacrodus sp. Jaekel 1889 elasmobranch
Conodonta
 Ozarkodinida - Gondolellidae
Neospathodus "sp. B" Mosher 1968 conodont
Neospathodus novaehollandiae McTavish 1973 conodont
Neospathodus spitiensis Goel 1977 conodont
"Neospathodus ex gr. waageni" = Novispathodus waageni Sweet 1970 conodont
 Ozarkodinida - Ellisoniidae
Foliella gardenae Staesche 1964 conodont