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

Where: Yakutia, Russian Federation (70.5° N, 129.8° E: paleocoordinates 66.6° N, 19.0° E)

• 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

Show authors, comments, and common names
Cephalopoda
 Pseudorthocerida - Trematoceratidae
Trematoceras boreale n. sp., Trematoceras clarum n. sp., Pseudotemperoceras pulchrum n. gen. n. sp.
Trematoceras boreale n. sp. Schastlivceva 1986
Trematoceras clarum n. sp. Schastlivceva 1986
Pseudotemperoceras pulchrum n. gen. n. sp. Schastlivceva 1986