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Kamenny Ravine (Ulema River), Isheevo, PIN 157, 2207 (Permian to of Russian Federation)

Also known as Kamennyi, Kamenny Valley, Yumrala Ravine, Sviaga River, Sviyaga River, Isheevo, Tartarstan, Kamenny Ovrag

Where: Tatarstan, Russian Federation (55.1° N, 48.5° E: paleocoordinates 29.3° N, 43.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Titanophoneus potens other zone, Urzhumian to Urzhumian (268.0 - 265.0 Ma)

• Isheevo Subassemblage of the Isheevo Assemblage; the later part of the Early Tatarian (=Urzhumian–early Severodvinian) (Golubev 2000; Benton 2012, Geology).

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; red sandstone and red mudstone

• "..depositing in a shallow branch or pool with slow current...Concentration of organic matters produced the brown tints of the sands.."
• fine reddish sands. "...complete absence of coarse sediments of pebbletype." Overlying red mudstones are unfossiliferous.

Size class: macrofossils

Collected by I. A. Efremov in 1934, 1935; reposited in the PIN

Collection methods: quarrying,

• "[...] we have employed the method of laying vast (up to 250 sq. mt.) grounds [...] for exposing the bone-bearing layer. This method proved to be quite satisfactory, as during the two seasons of excavating works (of 1934 and 1935) we have succeeded in obtaining of two practically complete skeletons of carnivorous Deinocephalians and of one skeleton of a herbivorous Deinocephalian. Unfortunately, this latter was embedded at the boundary of the layer of bone-bearing sands, just under the train of deluvial deposits, and was distorted by the landslip and subterranian waters to such an extent, that in spite of the extremely accurate preparation performed, we have succeeded to pick out from the matrix rock only the skull with a few vertebrae, and some ribs." (Efremov, 1940).

Primary reference: J. A. Efremov. 1940. Predvaritel'noye opisaniye novykh form permskoy i triasovoy fauny nazemnykh pozvonochnykh SSSR [Preliminary description of new forms from the Permian and Triassic terrestrial vertebrate fauna of the USSR]. Trudy Paleontologicheskogo Instituta Akademiy Nauk SSSR 10(2):1-140 [J. Alroy/R. Whatley/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27931: authorized by John Alroy, entered by Robin Whatley on 17.01.2003, edited by Richard Butler and Torsten Liebrecht

Creative Commons license: CC BY (attribution)