Shar-Teg, outcrop 442/2a (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: P. Vršanský. 2004. Transitional Jurassic/Cretaceous Cockroach assemblage (Insecta, Blattaria) from the Shar-Teg in Mongolia. Geologica Carpathica 55(6):457-468 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 165035: authorized by Matthew Clapham, entered by Matthew Clapham on 09.01.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Dicondylia - Blattulidae
Elisama pterostigmata Vršanský 2004 winged insect
PIN 4270/1797