Rusavkino (Ivanov collection) (Carboniferous of Russian Federation)

Where: Russian Federation (55.7° N, 38.0° E: paleocoordinates 15.4° N, 31.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gzhelian (303.7 - 298.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified dolomite

Size class: macrofossils

Preservation: cast

Collected by A.P. Ivanov in 1907

• Collected "about 15 years ago" (relative to 1922)

Primary reference: A. Karpinsky. 1924. Helicoprion ivanovi, n. sp. Bulletin de l'Académie des Sciences de Russie 16:369-378 [M. Clapham/D. Robinson/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173816: authorized by Matthew Clapham, entered by Matthew Clapham on 15.10.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Eugeneodontiformes -
Campyloprion cf. annectans Eastman 1902 chimaera
PIN 1655/1 (C. ivanovi in Obruchev 1964, Zangerl 1981, Ginter et al. 2010); PIN 1655/653
 Eugeneodontiformes - Helicoprionidae
"Helicoprion ivanovi n. sp." = Karpinskiprion ivanovi
"Helicoprion ivanovi n. sp." = Karpinskiprion ivanovi Karpinsky 1924 chimaera
PIN 1655/132