Full reference: M. R. Sahni and J.P. Srivastava. 1956. Discovery of Eurydesma and Conularia in the eastern Himalaya and description of associated faunas. Journal of the Palaeontological Society of India 1:202-214
Type specimen: GSI 17650, a shell. Its type locality is Khemgaon Chorten, Sikkim, which is in an Asselian coastal sandstone in India.
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 22.6 x 30.5