Bon Tsagaan (PIN collection 3559, outcrop 36/3) (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: A. G. Ponomarenko. 1994. New Mesozoic cupedid beetles from Mongolia: Brochocoleini and Notocupedini. Paleontological Journal 28:102-115 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125186: authorized by Matthew Clapham, entered by Matthew Clapham on 06.03.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Blattaria - Caloblattinidae
Caloblattina "sp. 2"2 Handlirsch 1906 cockroach
PIN 3559/256
Nuurcala popovi2 Vršanský 2003 cockroach
PIN 3559/256, 260
 Dicondylia -
Blattodea indet.2 Latreille 1810 cockroach
 Blattodea - Mesoblattinidae
"Piniblattella altera n. sp." = Archimesoblatta altera1
"Piniblattella altera n. sp." = Archimesoblatta altera1 Vršanský 1997 cockroach
PIN 3559/269
 Dicondylia - Blattulidae
Elisama parallela2 Vršanský 2003 winged insect
PIN 3559/255, 258, 259
 Coleoptera - Cupedidae
"Notocupes elegans n. sp." = Zygadenia elegans, Brochocoleus cossyphus
"Notocupes elegans n. sp." = Zygadenia elegans Ponomarenko 1994 reticulated beetle
PIN 3559/1624
Brochocoleus cossyphus Ponomarenko 1994 reticulated beetle
PIN 3559/1623