Unda (PIN collection 1849) (Jurassic of Russian Federation)

Where: Chita, Russian Federation (51.7° N, 116.9° E: paleocoordinates 56.7° N, 117.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Glushkovo Formation, Tithonian (152.1 - 145.0 Ma)

• Given as Aptian-Albian? Balei series, but later papers give Hauterivian Gluskovo Formation.

Environment/lithology: lacustrine - small; lithified lithology not reported

• Unda was a typical Mesozoic lake of type "A" according to Sinitshenkova and Zherikhin (1996), a deep mountain lake formed when a river valley was naturally dammed. It was a cold oligotrophic water body with low primary production and ample oxygen.

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Reposited in the PIN

Primary reference: V. G. Kovalev. 1990. Diptera, Muscida, in Pozdne-Mezozoyskie Nasekomye Vostochnogo Zabaykal'ya. In A.P. Rasnitsyn (ed.), Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 239:123-177 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140475: authorized by Matthew Clapham, entered by Matthew Clapham on 10.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Diptera - Anisopodidae
Pachyrhyphus transbaicalicus Kovalev 1990 wood gnat
PIN 1849/27