Letopala River (PIN collection 94) (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 M. Edemskij in 1934; reposited in the PIN

Primary reference: E. E. Becker-Migdisova. 1940. Iskopaemye permskie cikady semejstva Prosbolidae s reki sojany. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 11(2):1-95 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124101: authorized by Matthew Clapham, entered by Jered Karr on 07.02.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Scytinopteridae
Scytinoptera kokeni1 Handlirsch 1904 true bug
PIN 94/1021
 Hemiptera - Archescytinidae
Archescytina gunderseni n. sp.2 Becker-Migdisova 1960 true bug
PIN 94/494, 457
 Hemiptera - Prosbolidae
Permocicadopsis aberrans Martynov 1935 true bug
PIN 94/102
 Mecoptera - Permochoristidae
"Petromantis borealis" = Petromantis rossica3, "Permochorista dubiosa" = Petromantis dubiosa3, "Agetochorista splendida" = Agetopanorpa ornata3, "Agetochorista fasciata" = Agetopanorpa fasciata3
"Petromantis borealis" = Petromantis rossica3 Handlirsch 1904 scorpionfly
PIN 94/145, 153, 1037, 1038, 1039
"Permochorista dubiosa" = Petromantis dubiosa3 Martynov 1932 scorpionfly
PIN 94/154
"Agetochorista splendida" = Agetopanorpa ornata3 Martynov 1932 scorpionfly
PIN 94/1041
"Agetochorista fasciata" = Agetopanorpa fasciata3 Martynov 1932 scorpionfly
PIN 94/157