The Paleobiology Database

Ust-Baley Locality (PIN collection 1873) (Jurassic of Russian Federation)

Where: Irkutsk, Russian Federation (54.2° N, 100.3° E: paleocoordinates 62.1° N, 99.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ust' -Baleyskaya Member (Cheremkhovskaya Formation), Toarcian (183.0 - 175.6 Ma)

Environment/lithology: lacustrine - small; lithology not reported

• The Ust'-Baley palaeocenosis is a well-described Mesozoic "hypotrophic" lake (Zherikhin and Kalugina 1985), of type "B" according to Sinitshenkova and Zherikhin (1996). It was a small, shallow, permanent lake in a large river valley (but completely isolated from the river), with a low primary production and high oxygen concentration.

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by E.S. Rasskazov in 1964

• Collector interpreted from somewhat confusing parallel lists

Primary reference: A. G. Sharov. 1968. Filogeniya ortopteroidnykh nasekomykh. Trudy Paleontologicheskogo Instituta Akademii Nauk SSSR 118:1-216 [C. Beard/C. Beard/J. Karr] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 113471: authorized by Matthew Clapham, entered by Jered Karr on 31.07.2011, edited by Matthew Clapham

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)