Where: Russian Federation (49.4° N, 130.1° E: paleocoordinates 52.3° N, 119.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tsagayan Formation, Danian (65.5 - 61.7 Ma)

• "Upper Cretaceous" in book, but PIN website gives Maastrichtian-Danian? and middle-upper Tsagayan formation is now considered lower Danian.

Environment/lithology: terrestrial; siliciclastic sediments

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Reposited in the PIN

Primary reference: L. V. Arnoldi, V. V. Zherikhin, L. M. Nikritin and A. G. Ponomarenko. 1977. Mezozoiskie zhestkokryiye. Trudy Paleontologicheskogo Instituta 161:1-204 [M. Clapham/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114328: authorized by Matthew Clapham, entered by Jered Karr on 13.08.2011, edited by Matthew Clapham

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)