Khey-Yaga, outcrop no. 196 (PIN collection 5252) (Triassic of Russian Federation)

Also known as Khey-Yaga III

Where: Arkhangelsk, Russian Federation (68.4° N, 62.4° E: paleocoordinates 45.9° N, 27.3° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Nyadeita Formation, Anisian (247.2 - 242.0 Ma)

• Middle Triassic, Lower Anisian substage, lower subformation of the Nyadeita Formation (Novikov et al., 2019).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, gray, argillaceous shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: A. G. Ponomarenko. 2008. New Triassic Beetles (Coleoptera) from Northern European Russia. Paleontological Journal 42(6):600-606 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 108308: authorized by Matthew Clapham, entered by Jered Karr on 27.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Ponomarenko states that abundant horsetail fossils are also present.
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Insecta
 Blattaria - Caloblattinidae
Taublatta yaga n. sp.
Taublatta yaga n. sp. Aristov 2019 cockroach
PIN 5252/12
 Coleoptera - Schizocoleidae
Schizocoleus cf. septentrionalis, Stegosyne borealis n. sp., Pseudochrysomelites anser n. sp., Pseudochrysomelites planus n. sp., Pseudochrysomelites dilatatus n. sp.
Schizocoleus cf. septentrionalis Ponomarenko 2008 beetle
PIN 5252/8, 5
Stegosyne borealis n. sp. Ponomarenko 2008 beetle
PIN 5252/6
Pseudochrysomelites anser n. sp. Ponomarenko 2008 beetle
PIN 5252/10
Pseudochrysomelites planus n. sp. Ponomarenko 2008 beetle
PIN 5252/3
Pseudochrysomelites dilatatus n. sp. Ponomarenko 2008 beetle
PIN 5252/9, 4
 Coleoptera - Asiocoleidae
Tetracoleus minimus n. sp., Tetracoleus tshalyshevi n. gen. n. sp.
Tetracoleus minimus n. sp. Ponomarenko 2008 beetle
PIN 5252/2
Tetracoleus tshalyshevi n. gen. n. sp. Ponomarenko 2008 beetle
PIN 5252/1
 Hemiptera -
Auchenorrhyncha indet.