Minami-Nayoshi River (Oligocene of Russian Federation)

Where: Sakhalin, Russian Federation (49.4° N, 142.1° E: paleocoordinates 50.9° N, 139.5° E)

• coordinate based on political unit

When: Nissakutan Formation, Oligocene (33.9 - 23.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: S. Nisiyama. 1968. The echinoid fauna from Japan and adjacent regions, Part II. Paalaeontological Society of Japan Special Papers 13:1-480 [M. Uhen/B. Shipps/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 204461: authorized by Mark Uhen, entered by Mark Uhen on 09.09.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Spatangoida - Schizasteridae
Linthia boreasteria n. sp. heart urchin