Bachatsk Quarry, Sergeyevsk Suite (Pleistocene of Russian Federation)

Where: West Siberia, Russian Federation (50.0° N, 86.7° E: paleocoordinates 50.1° N, 86.6° E)

• coordinate based on nearby landmark

When: Sergeyevsk suite Formation, Early/Lower Pleistocene (2.6 - 0.8 Ma)

• Although the title of the paper says late Pliocene, in this sequence the base of Pleistocene is taken to be 0.8Ma = Early Middle Pleistocene. So this site is equivalent to the late Lower Pleistocene.


• Pale yellow-brown compact unstratified loams with buried soils.

Size class: macrofossils

Primary reference: I. V. Foronova. 1986. Elephants of the Genus Archidiskodon from the Late Pliocene and Pleistocene of the Kuznetsk Basin (southeastern West Siberia). Quatarpalaontologie 6(29):29-42 [A. Turner/H. O'Regan/H. O'Regan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40495: authorized by Alan Turner, entered by Hannah O'Regan on 24.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• the horse is comparable in size to Equus (Plesippus) verae and is sometimes even larger.
 Perissodactyla - Equidae
Equidae indet. Gray 1821 horse
 Artiodactyla - Bovidae
Bison sp. Hamilton-Smith 1827 bison
Spirocerus sp. Boule and Teilhard de Jardin 1928 antelope
 Artiodactyla - Cervidae
Cervidae indet. Gray 1821 deer