Where: Chimkent, Kazakstan (43.2° N, 70.5° E: paleocoordinates 41.7° N, 74.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Karabastau Formation, Callovian to Callovian (164.7 - 155.7 Ma)

Environment/lithology: lacustrine - large; lithified siltstone

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by B. Rohdendorf in 1937; reposited in the PIN

Primary reference: B. B. Rohdendorf. 1946. Evolyutsiya kryla i filogenez dlinnousykh dvukrylykh Oligoneura (Diptera, Nematocera) [The evolution of the wing and the phylogeny of Oligoneura (Diptera, Nematocera)]. Trudy Paleontologicheskogo Instituta 13:1-108 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122331: authorized by Matthew Clapham, entered by Matthew Clapham on 21.12.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)