Kazakovka (PIN collection 4098) (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)

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: N. S. Kalugina. 1993. Khaoboridy i Komary-zvontsy iz Mezozoya vostochnogo Zabaykal'ya (Diptera: Chaoboridae, Chironomidae). In A. G. Ponomarenko (ed.), Mezozoyskie Nasekomye i Ostrakody Azii 117-139 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138153: authorized by Matthew Clapham, entered by Matthew Clapham on 05.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Diptera - Chironomidae
Ulaia communis Kalugina 1993 non biting midge
PIN 4098/6, 8(9), 18
 Hemiptera - Archegocimicidae
"Saldonia ignota n. sp." = Quacsa ignota2
"Saldonia ignota n. sp." = Quacsa ignota2 Popov 1988 shore bug
PIN 4098/3
 Coleoptera - Liadytidae
Liadytes dajensis1 Ponomarenko 1987 beetle
PIN 4098/2