Bivalvia - Protobranchia - Nuculanidae

Alternative combinations: Leda obesa, Nuculana obesa

Belongs to Polidevcia according to T. E. Yancey 1978

Sister taxa: Polidevcia abrupta, Polidevcia aequilata, Polidevcia antequadrata, Polidevcia arctura, Polidevcia bellistriata, Polidevcia bicarinata, Polidevcia browni, Polidevcia cryptica, Polidevcia flexuosa, Polidevcia jamesi, Polidevcia kasanensis, Polidevcia kolyvanica, Polidevcia lunulata, Polidevcia lyonsensis, Polidevcia magna, Polidevcia nodulosa, Polidevcia ovata, Polidevcia stevensiana, Polidevcia thomasi, Polidevcia tulcumbensis, Polidevcia undosa, Polidevcia vorgaschorica, Polidevcia zabaikalica

Ecology: facultatively mobile infaunal deposit feeder-suspension feeder

Average measurements (in mm): shell 14.7 x 8.9, valve length 31.2