Iya Locality (PIN collection 508) (Jurassic of Russian Federation)

Where: Irkutsk, Russian Federation (54.2° N, 100.3° E: paleocoordinates 61.8° N, 99.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ust' -Baleyskaya Member (Cheremkhovskaya Formation), Toarcian (182.7 - 174.1 Ma)

Environment/lithology: lacustrine - small; lithology not reported

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: O. A. Tshernova. 1969. New early Jurassic may-flies (Ephemeroptera, Epeoromimidae, Mesonetidae). Entomologicheskoe Obozrenie 48:153-161 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125339: authorized by Matthew Clapham, entered by Matthew Clapham on 08.03.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Palaeontinidae
Plachutella sibirica n. sp.1 Becker-Migdisova 1950 true bug
PIN 508/5
Plachutella ivanovi n. sp.1 Becker-Migdisova 1950 true bug
PIN 508/6
Ijacossus suchanovae n. gen. n. sp.1 Becker-Migdisova 1950 true bug
PIN 508/7
 Ephemerida - Mesonetidae
Mesoneta utriculata3 Sinitshenkova 1985 mayfly
PIN 508/4
 Odonata - Cyclothemistidae
Shurabiola nana2 Pritykina 1980 dragonfly
PIN 508/11