Where: Khabarovsk, Russian Federation (59.4° N, 140.3° E: paleocoordinates 65.7° N, 126.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Amka Formation, Late/Upper Coniacian (89.3 - 85.8 Ma)

• The Emanra Formation and its flora were traditionally assigned an Albian age, but the unit is now known as the Amka Formation and is of Late Coniacian age on the basis of U/Pb dating (86.1 ± 0.3 Ma), according to Akinin et al. (2019).

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; lithified, tuffaceous mudstone

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected in 1985; reposited in the PIN

Primary reference: V. V. Gromov, V. Y. Dmitriev, V. V. Zherikhin, E. L. Lebedev, A. G. Ponomarenko, A. P. Rasnitsyn, and I. D. Sukacheva. 1993. Melovye entomofauny basseyna r. Ul'i (zapadnoe Priokhot'e). In A. G. Ponomarenko (ed.), Mezozoyskie Nasekomye i Ostrakody Azii 5-60 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123528: authorized by Matthew Clapham, entered by Jered Karr on 25.01.2012, edited by Lindy Edwards and Matthew Clapham

Creative Commons license: CC BY (attribution)