Where: Russian Federation (43.3° N, 132.2° E: paleocoordinates 39.2° N, 111.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Anasibirites nevolini ammonoid zone, Zhitkov Formation, Smithian (251.3 - 247.2 Ma)

• Bottom of "member 13" of Smyshlyaeva et al. (2018)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, nodular marl

Size class: macrofossils

Collection methods: Repository: Far East Geological Institute, Far East Division, Russian Academy of Sciences (DVGI)

Primary reference: Y. D. Zakharov, L. G. Bondarenko, O. P. Smyshlyaeva and A. M. Popov. 2013. Late Smithian (Early Triassic) ammonoids from the Anasibirites nevolini zone of South Primorye, Russian far east. New Mexico Museum of Natural History and Science Bulletin 61:597-612 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 168042: authorized by Matthew Clapham, entered by Matthew Clapham on 13.04.2015, edited by Bethany Allen

Creative Commons license: CC BY (attribution)