Nonammonoid cephalopods of the Western Verkhoyansk Range, Kharaulakhsk Mountains (Triassic of Russian Federation)

Where: Yakutia, Russian Federation (70.5° N, 129.8° E)

• Paleocoordinates: 76.8° N, 55.1° E (Wright 2013)

• coordinate based on nearby landmark

When: Olenekian (251.2 - 247.2 Ma)

• Meekoceras gracilitatis zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine

• No information given

Size class: macrofossils

Collection methods: Collected by Yu. V. Arkhipova (1971).

Primary reference: N. P. Schastlivtseva. 1986. Nekotoryye triasovyye ortotseratidy i nautilidy Severo-Vostoka SSSR. Some Triassic orthoceratids and nautilids from northeastern part of the USSR. Byulleten' Moskovskogo Obshchestva Ispytateley Prirody, Otdel Geologicheskiy 61(2):122-129 [M. Aberhan/S. Nurnberg/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45912: authorized by Martin Aberhan, entered by Sabine Nürnberg on 13.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Pseudorthocerida - Trematoceratidae
Pseudotemperoceras pulchrum n. gen. n. sp. Schastlivceva 1986
Trematoceras boreale n. sp. Schastlivceva 1986
Trematoceras clarum n. sp. Schastlivceva 1986