Letopala River (TsNIGR collection 6113) (Permian of Russian Federation)

Where: Arkangelsk, Russian Federation (65.6° N, 42.6° E: paleocoordinates 33.0° N, 32.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Iva-Gora Beds Formation, Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal; lithified siliciclastic sediments

• Probable brackish lagoon with some access to sea

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by Y.A. Smolensky in 1939

• Repository: Central Research Geological Prospecting Institute, Chernyshev Museum (TsNIGR)

Primary reference: O. M. Martynova. 1948. Materialy po evolyutsii Mecoptera. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 14:1-76 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155715: authorized by Matthew Clapham, entered by Matthew Clapham on 26.04.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Mecoptera - Permochoristidae
"Petromantis variolosa" = Petromantis robusta, "Permochorista venosa" = Petromantis maculipennis, "Petromantis borealis" = Petromantis rossica
"Petromantis variolosa" = Petromantis robusta Martynov 1932 scorpionfly
TsNIGR 6113/97(91)
"Permochorista venosa" = Petromantis maculipennis Martynov 1932 scorpionfly
TsNIGR 6113/93
"Petromantis borealis" = Petromantis rossica Handlirsch 1904 scorpionfly
TsNIGR 6113/95, 96