Bakhar outcrop 275 (PIN collection 3791) (Jurassic to of Mongolia)

Where: Bayan-Khongor, Mongolia (45.0° N, 99.0° E: paleocoordinates 50.1° N, 102.4° E)

• coordinate based on nearby landmark

When: Togo-Khuduk Formation (Bahar Group), Bajocian to Bajocian (170.3 - 166.1 Ma)

• age taken from Blagoderov et al., 2007

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - large; claystone

• North Molasse Basin formed from foreland thrusting during closure of Mongol-Okhotsk sea (Wu, 2013).
• "thinly bedded clays"

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by A. G Ponomarenko in 1982; reposited in the PIN

Primary reference: A. P. Rasnitsyn. 1993. Novye taksony sepulek (Vespida: Sepulcidae). In A. G. Ponomarenko (ed.), Mezozoyskie Nasekomye i Ostrakody Azii 80-99 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124340: authorized by Matthew Clapham, entered by Matthew Clapham on 12.02.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Hylicellidae
Cinemala contrasta n. gen. n. sp.3
Cinemala contrasta n. gen. n. sp.3 Shcherbakov 2012 true bug
PIN 3791/2134(2177)
 Plecoptera - Taeniopterygidae
Mesotaeniopteryx sinitsae n. sp.4 Sinitshenkova 1987 winter stonefly
PIN 3791/1227, 1226, 1229, 1230 (outcrop 275/1)
 Hymenoptera - Sepulcidae
Parabakharius parvus n. gen. n. sp.
Parabakharius parvus n. gen. n. sp. Rasnitsyn 1993 stem sawfly
PIN 3791/1257 (outcrop 275/1)
 Coleoptera - Cupedidae
Notocupes exiguus n. sp.1 Ponomarenko 1994 reticulated beetle
PIN 3791/4059, 4213, 4296, 4591, 3026 (bed 1)
Omma altajense n. sp.2 Ponomarenko 1997 reticulated beetle
PIN 3791/4716
Tetraphalerus glabratus2 Ponomarenko 1997 reticulated beetle
PIN 3791/4700, 4248