Bivalvia - Protobranchia - Malletiidae

Alternative combination: Nucula praeacuta

Belongs to Palaeoneilo according to Z. W. Gu et al. 1976

Sister taxa: Palaeoneilo acarinata, Palaeoneilo arctica, Palaeoneilo artiensis, Palaeoneilo centralis, Palaeoneilo cuneiformis, Palaeoneilo elliptica, Palaeoneilo excentrica, Palaeoneilo fecunda, Palaeoneilo fibularis, Palaeoneilo fortistriata, Palaeoneilo galatea, Palaeoneilo guizhouensis, Palaeoneilo leiyangensis, Palaeoneilo lutosa, Palaeoneilo magna, Palaeoneilo mcchesneyana, Palaeoneilo occidentalis, Palaeoneilo ogachiensis, Palaeoneilo oviformis, Palaeoneilo parenica, Palaeoneilo postolegi, Palaeoneilo qujianensis, Palaeoneilo qujiangensis, Palaeoneilo sera, Palaeoneilo shaoyangensis, Palaeoneilo sinuata, Palaeoneilo smithi, Palaeoneilo subcarinata, Palaeoneilo subexcentrica, Palaeoneilo suborbicularis, Palaeoneilo subtenella, Palaeoneilo sunanensis, Palaeoneilo symmetricus, Palaeoneilo tebagaensis, Palaeoneilo thorslundi, Palaeoneilo tirolensis, Palaeoneilo yanjiensis, Palaeoneilo yongdingensis

Ecology: facultatively mobile infaunal deposit feeder