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Arkhara (PIN collection 2055) (Paleocene of Russian Federation)

Where: Russian Federation (49.4° N, 130.1° E: paleocoordinates 52.1° N, 118.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Darmakan Formation (Tsagayan Group), Danian (66.0 - 61.7 Ma)

• "Upper Cretaceous" in book, but 661 Ma U-Pb age average obtained by LA-ICP-MS dating of single igneous zircons from a tuff bed located in the uppermost part of the Middle Tsagayan Subformation (Knittel et al., 2013). Upper Tsagayan = lower part of Darmakan Fm.

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. Akademiya Nauk SSSR, 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 (attribution)