Bon Tsagaan (PIN collection 3559, outcrop 85/10) (Cretaceous of Mongolia)

Where: Mongolia (45.5° N, 99.1° E: paleocoordinates 46.1° N, 99.1° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Khurilt Member (Dzun-Bain Formation), Aptian (125.0 - 113.0 Ma)

• Possibly late Neocomian (Barremian)-early Aptian but typically treated as Aptian by paleoentomologists.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: adpression

Reposited in the PIN

Primary reference: P. Vršanský. 2003. Unique assemblage of Dictyoptera (Insecta - Blattaria, Mantodea, Isoptera) from the Lower Cretaceous of Bon Tsagaan Nuur in Mongolia. Entomological Problems 33:119-151 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155549: authorized by Matthew Clapham, entered by Matthew Clapham on 16.04.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Blattaria - Caloblattinidae
Nuurcala popovi Vršanský 2003 cockroach
PIN 3559/8008
 Blattodea - Mesoblattinidae
Praeblattella dichotoma Vršanský 2003 cockroach
PIN 3559/8007
 Dicondylia - Blattulidae
Elisama tsaganica Vršanský 1999 winged insect
PIN 3559/8010, 8009