Bon Tsagaan (PIN collection 3559, outcrop 188/8) (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: I. D. Sukacheva. 1992. Novye iskopaemye predstaviteli otryada rucheynikov (Phryganeida) iz Mongolii. Novye Taksony Iskopaemykh Bespozvonochnykh Mongolii, Sovmestnaya Rossiisko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 4:111-117 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121711: authorized by Matthew Clapham, entered by Matthew Clapham on 11.12.2011, edited by Jered Karr

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Diptera - Mycetophilidae
Prospeolepta parallelimedia n. sp.1 Blagoderov 1998 fungus gnat
PIN 3559/10132
 Alienoptera - Umenocoleidae
Petropterix mirabilis n. sp.3 Vršanský 2003 winged insect
PIN 3559/5783, 5784, 5795
 Trichoptera - Vitimotauliidae
Multimodus parcus n. sp. Sukacheva 1992 caddisfly
PIN 3559/3908
 Hymenoptera - Sepulcidae
Thoracotrema mongolicum n. sp.2 Rasnitsyn 1993 stem sawfly
PIN 3559/4571