Bukobay VII, Belyaevsky I (Triassic of Russian Federation)

Also known as Locality 31

Where: Orenburg, Russian Federation (51.5° N, 55.5° E: paleocoordinates 35.4° N, 41.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Berdyankian other zone, Bukobay Formation, Ladinian (242.0 - 237.0 Ma)

• Bukobay Gorizont is considered by Shishkin et al. (2000) to be Ladinian in age and approximately equivalent to the Lettenköhle of Germany; overlies the Donguz Gorizont

•Bukobay is the characteristic assemblage for the Berdyankian Land-Vertebrate Faunachron (LVF) (see Lucas 2010)

Environment/lithology: fluvial-lacustrine; fine-grained, medium, gray sandstone

• "Tributary channel deposits within lake deposits."
• "Grey, fine- to medium-grained, crossbedded sandstone"

Size class: macrofossils

Reposited in the PIN

• Collections also in Saratov State University

Primary reference: V. P. Tverdokhlebov, G. I. Tverdokhlebova, M. V. Surkov and M. J. Benton. 2003. Tetrapod localities from the Triassic of the SE of European Russia. Earth-Science Reviews 60(1-2):1-66 [J. Mueller/T. Liebrecht/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97428: authorized by Richard Butler, entered by Richard Butler on 27.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• Holotype of Chalishevia was originally erroneously listed as from the Bukobay VI locality in the original description by Ochev (see Gower & Sennikov 2000 for details)
Show authors, comments, and common names
Amphibia
 Temnospondyli -
Mastodonsaurus sp.
Mastodonsaurus sp. Jaeger 1828 tetrapod
Vertebrae
Reptilia
 Diapsida - Erythrosuchidae
Chalishevia cothurnata n. gen. n. sp.
Chalishevia cothurnata n. gen. n. sp. Ochev 1980 archosauromorph
PIN 4356/1 (formerly SGU 104/385), maxilla and nasals (holotype). PIN 4366/3 (formerly SGU 104/3854), tooth; PIN 4366/2 (formerly SGU 104/3853), quadrate