†Biacumina rara Mostler 1972
Full reference: H. Mostler. 1972. Holothuriensklerite aus dem Jura der Nördlischen Kalkalpen und Südtiroler Dolomiten. Geologisch-Paläontologische Mitteilungen Innsbruck 2(6):1-29
Belongs to Biacumina according to H. Mostler 1972
Sister taxa: Biacumina rariperforata, Biacumina spinosa
Type specimen: Its type locality is Fonsjoch, Karwendel, which is in a Hettangian carbonate limestone in the Fonsjoch Formation of Austria