Zhakan Creek, sample C-6-1-(35-38)p, Vtoraya Sentyabr'skaya River (Triassic of Russian Federation)

Where: Russian Federation (60.3° N, 149.3° E: paleocoordinates 83.2° N, 39.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Stolleyites tenuis ammonoid zone, Zhakanskaya Formation, Julian (235.0 - 232.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collection methods: Repository: IGiG (Institute for Geology and Geophysics, Novosibirsk)

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 133213: authorized by Matthew Clapham, entered by Matthew Clapham on 05.09.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Nautilida - Clydonautilidae
Proclydonautilus okhotensis n. sp. Sobolev 1998 nautiloid