Proceratium petrosum

Distribution
This taxon was described from Bol’shaya Svetlovodnaya (= Biamo), Sikhote-Alin, Russian Far East (Late Eocene).

Nomenclature

 * † petrosum. †Proceratium petrosum Dlussky, Rasnitsyn & Perfilieva, 2015: 143, figs. 24, 25 (m.) RUSSIA (Eocene).