Where: Chita, Russian Federation (51.7° N, 115.8° E: paleocoordinates 56.1° N, 115.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mangutskaya Formation, Berriasian (145.0 - 139.8 Ma)

• Lower Neocomian

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size class: mesofossils

Preservation: mold/impression

Reposited in the PIN

Primary reference: N. D. Sinitshenkova. 1990. Mayflies. Ephemerida, in Pozdne-Mezozoyskie Nasekomye Vostochnogo Zabaykal'ya. In A. P. Rasnitsyn (ed.), Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 239:14-20 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 152391: authorized by Matthew Clapham, entered by Jered Karr on 19.11.2013

Creative Commons license: CC BY (attribution)