Where: Chimkent, Kazakstan (42.3° N, 69.6° E: paleocoordinates 40.7° N, 73.4° 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

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 114238: authorized by Matthew Clapham, entered by Jered Karr on 12.08.2011, edited by Matthew Clapham and Lindy Edwards

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