Bon Tsagaan (PIN collection 3559, outcrop 89) (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

Primary reference: P. Vrsansky. 2003. Umenocoleoidea - an amazing lineage of aberrant insects (Insecta, Blattaria). AMBA Projekty 7(1):1-32 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138922: authorized by Matthew Clapham, entered by Jered Karr on 02.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Blattodea - Ponopterixidae
Petropterix mirabilis Vrsansky 2003 cockroach
PIN 3559/5733