Bon Tsagaan (PIN collection 3559, outcrop 23/22) (Cretaceous of Mongolia)

Where: Mongolia (45.5° N, 99.1° E: paleocoordinates 46.5° N, 99.9° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Ulan-Argalant Formation (Dundargalant Group), Barremian (129.4 - 125.0 Ma)

• Outcrop 23, bed 22. Lower Cretaceous but older than the Khurilt Formation. Khurilt beds are 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. 1997. New beetles of the family Cupedidae from the Mesozoic of Mongoloa. Ommatini, Mesocupedini, Priacmini. Paleontological Journal 31:389-399 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124343: authorized by Matthew Clapham, entered by Matthew Clapham on 12.02.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Blattaria - Caloblattinidae
Caloblattina rubens n. sp.2 Vršanský 2003 cockroach
PIN 3559/7978, 139
 Blattaria - Raphidiomimidae
Liadoblattina mongolica n. sp.2 Vršanský 2003 cockroach
PIN 3559/142, 148, 7979
 Dicondylia -
Blattodea indet.2 Latreille 1810 cockroach
PIN 3559/140, 141, 149, 146, 151, 152, 156, 5954
 Blattodea - Mesoblattinidae
Archimesoblatta tendencia n. sp.2 Vršanský 2003 cockroach
PIN 3559/145, 150, 7980
 Dicondylia - Blattulidae
Elisama incerta n. sp.2 Vršanský 2003 winged insect
PIN 3559/7981
 Coleoptera - Cupedidae
"Notocupes mongolicus n. sp." = Zygadenia mongolica1, "Notocupes dundulaensis" = Zygadenia dundulaensis1, "Notocupes elegans" = Zygadenia elegans1, Brochocoleus alatus n. sp.1, "Tetraphalerus longicollis n. sp." = Omma longicolle
"Notocupes mongolicus n. sp." = Zygadenia mongolica1 Ponomarenko 1994 reticulated beetle
PIN 3559/6028, 1584, 1577, 1581, 1591
"Notocupes dundulaensis" = Zygadenia dundulaensis1 Ponomarenko 1994 reticulated beetle
PIN 3559/1529, 1588
"Notocupes elegans" = Zygadenia elegans1 Ponomarenko 1994 reticulated beetle
PIN 3559/29, 50, 1559
Brochocoleus alatus n. sp.1 Ponomarenko 1994 reticulated beetle
PIN 3559/1583
"Tetraphalerus longicollis n. sp." = Omma longicolle Ponomarenko 1997 reticulated beetle
PIN 3559/1578