PaleoDB taxon number: 147066
Full reference: B. Kröger, Y. Zhang, and M. Isakar. 2009. Discosorids and Oncocerids (Cephalopoda) of the Middle Ordovician Kunda and Aseri Regional Stages of Baltoscandia and the early evolution of these groups. Geobios 42:273-293
Sister taxa: none
Type specimen: NRM-PZ Mo 158694, a shell. Its type locality is Hälludden cliff section (upper part of Gillberga Fm.), which is in a Hunderum/Valaste deep subtidal shelf wackestone in the Gillberga Formation of Sweden.
Ecology: fast-moving nektobenthic carnivore