Dzhargalant (PIN collection 3793) (Jurassic of Mongolia)

Where: Mongolia (48.5° N, 92.8° E: paleocoordinates 54.9° N, 94.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Zhargalant Formation, Toarcian (182.7 - 174.1 Ma)

• Age based on similar assemblages to Ust-Baley

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified siliciclastic sediments

• Middle Molasse Basin formed from foreland thrusting during closure of Mongol-Okhotsk sea (Wu, 2013).

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected in 1977, 1978; reposited in the PIN

Primary reference: N. D. Sinitshenkova. 1985. Jurskie podenki (Ephemerida-Ephemeroptera) yuzhnoy Sibiri i zapadnoy Mongolii. In A. P. Rasnitsyn (ed.), Jurskie Nasekomye Sibiri i Mongolii 11-23 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124855: authorized by Matthew Clapham, entered by Matthew Clapham on 25.02.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Blattaria - Caloblattinidae
Taublattopsis costalis n. gen. n. sp.2
Taublattopsis costalis n. gen. n. sp.2 Vishnyakova 1985 cockroach
PIN 3793/137
 Blattodea - Mesoblattinidae
Mesoblattina mongolica n. sp.2 Vishnyakova 1985 cockroach
PIN 3793/7
 Coleoptera - Liadytidae
Liadytidae indet.1 Ponomarenko 1977 beetle
PIN 3793/85
 Coleoptera -
Memptus handlirschi1 Ponomarenko 1985 beetle
PIN 3793/84
Keleusticus acutus n. sp.1 Ponomarenko 1985 beetle
PIN 3793/83
 Coleoptera - Permosynidae
Dzeregia striata n. sp.1 Ponomarenko 1985 beetle
PIN 3793/86
 Ephemerida - Mesonetidae
Mesoneta utriculata Sinitshenkova 1985 mayfly
PIN 3793/1-4