Where: Sakha, Russian Federation (65.9° N, 111.5° E: paleocoordinates 51.2° N, 32.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Aykhal Formation, Gzhelian (303.7 - 298.9 Ma)

• Upper Carboniferous-Lower Permian - arbitrarily placed in Gzhelian.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: adpression

Collected by Elena Vashchenko in 1977; reposited in the PIN

Collection methods: core

Primary reference: N. D. Sinitshenkova. 1993. A new insect family Aykhalidae from the upper Palaeozoic of Yakutia-Zakha (Insecta: Mischopterida = Megasecoptera). Paleontological Journal 27(1A):131-134 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 126060: authorized by Matthew Clapham, entered by Matthew Clapham on 29.03.2012

Creative Commons license: CC BY (attribution)