Shar-Teg, outcrop 442/2 (PIN collection 4270) (Jurassic of Mongolia)

Where: Mongolia (44.1° N, 95.8° E: paleocoordinates 46.1° N, 97.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, fine-grained, gray claystone

• Early syn-rift phase (Graham et al., 2001); extensional stress field from collapse of Mongolia-Okhotsk orogenic belt (Wu, 2013).

Size class: macrofossils

Preservation: mold/impression

Collected by Joint Soviet Mongolian Paleontological Expedition in 1989; reposited in the PIN

Primary reference: A. A. Prokin. 2009. New water scavenger beetles (Coleoptera: Hydrophilidae) from the Mesozoic of Mongolia. Paleontological Journal 43:660-663 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131803: authorized by Matthew Clapham, entered by Matthew Clapham on 30.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Diptera - Trichoceridae
Zherikhinina alastos2
Zherikhinina alastos2 Krzemińska and Lukashevich 2009 winter crane fly
 Coleoptera - Hydrophilidae
Prospercheus cristatus n. gen. n. sp.
Prospercheus cristatus n. gen. n. sp. Prokin 2009 water scavenger beetle
PIN 4270/1012
 Coleoptera - Helophoridae
Helophorus (Mesosperchus) inceptivus n. sp.1
Helophorus (Mesosperchus) inceptivus n. sp.1 Fikáček et al. 2012 water scavenger beetle
PIN 4270/1008, 1009
1Fikáček et al. 2012; 2Krzemińska and Lukashevich 2009