†Bathyarca adelaideana Iredale 1939 (clam)
Belongs to Bathyarca according to K. Lamprell and J. Healy 1998
Sister taxa: Bathyarca (Bathyarca), Bathyarca anomala, Bathyarca corpulenta, Bathyarca cybaea, Bathyarca glacialis, Bathyarca hendersoni, Bathyarca perversidens
Ecology: stationary epifaunal suspension feeder