Nekuchan Creek, sample H1-1/8-10p, Darka River basin (Triassic of Russian Federation)

Where: Russian Federation (70.8° N, 128.1° E: paleocoordinates 67.9° N, 7.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tsvetkovites constantis ammonoid zone, Ulakhan-Krest Formation, Fassanian (242.0 - 235.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collection methods: Repository: TsSGM

Primary reference: E. S. Sobolev. 1998. Novye vidy sveriutykh Nautiloidey iz srednego i verkhnego Triasa Sibiri [New species of coiled nautiliods (Mollusca) from the Middle and Upper Triassic of Siberia]. News on Paleontology and Stratigraphy 1:133-151 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133207: authorized by Matthew Clapham, entered by Matthew Clapham on 05.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Nautilida - Tainoceratidae
Sibyllonautilus darkensis n. sp. Sobolev 1998 nautiloid