Full reference: L. E. Anelli, M. G. Simões, and J. M. David. 2010. A new Permian bivalve (Megadesmidae, Plesiocyprellinae) from the Serrinha Member, Rio do Rasto Formation, Paraná basin, Brazil. Revista do Instituto de Geociências - USP 10(2):13-21
Sister taxa: none
Type specimen: GP/1E 4816, a shell. Its type locality is Paraná Basin, USP collection, which is in a Wuchiapingian fluvial-lacustrine mudstone in the Rio do Rasto Formation of Brazil.
Ecology: facultatively mobile infaunal suspension feeder
Average measurements (in mm): shell 44.2 x 15.2, valve length 49.7