Bon Tsagaan (PIN collection 3559, outcrop 87) (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 121710: 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
 Blattaria - Caloblattinidae
Nuurcala popovi2 Vršanský 2003 cockroach
PIN 3559/476
 Dicondylia -
Blattodea indet.2 Latreille 1810 cockroach
 Blattodea - Mesoblattinidae
Praeblattella ponomarenkoi2 Vršanský 2003 cockroach
PIN 3559/8159
 Dicondylia - Blattulidae
Elisama parallela2 Vršanský 2003 winged insect
PIN 3559/8129, 8260, 8141, 8157, 8255
Elisama tsaganica2 Vršanský 1999 winged insect
PIN 3559/8135, 8139, 8142, 8143, 8146, 8147, 8155, 8165, 8120, 8125, 8156, 8160, 8127, 8127, 8132, 8140
 Diptera - Mycetophilidae
Palaecomoptera subcosta n. sp.1 Blagoderov 1998 fungus gnat
PIN 3559/10051
Ipsaneusidalys shato n. sp.1 Blagoderov 1998 fungus gnat
PIN 3559/10047
Syntemna sp.1 Winnertz 1863 fungus gnat
PIN 3559/10048, 10073, 10083
Syntemna tele n. sp.1 Blagoderov 1998 fungus gnat
PIN 3559/10066, 10045, 10052
Syntemna zhuzhan n. sp.1 Blagoderov 1998 fungus gnat
PIN 3559/10059, 10069, 10071
 Trichoptera - Phryganeidae
Baissophryganoides ponomarenkoi n. sp. Sukacheva 1992 large caddisfly
PIN 3559/2784,2785/6,2826,5820,5848 (outcrop 87)