Bivalvia - Protobranchia - Malletiidae

Full reference: K. S. W. Campbell and B. A. Engel. 1963. The faunas of the Tournaisian Tulcumba Sandstone and its members in the Werrie and Belvue synclines, New South Wales. Journal of the Geological Society of Australia 10(1):55-122

Belongs to Palaeoneilo according to K. S. W. Campbell and B. A. Engel 1963

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 praeacuta, Palaeoneilo qujianensis, Palaeoneilo qujiangensis, Palaeoneilo sera, Palaeoneilo shaoyangensis, Palaeoneilo sinuata, Palaeoneilo smithi, Palaeoneilo subexcentrica, Palaeoneilo suborbicularis, Palaeoneilo subtenella, Palaeoneilo sunanensis, Palaeoneilo symmetricus, Palaeoneilo tebagaensis, Palaeoneilo thorslundi, Palaeoneilo tirolensis, Palaeoneilo yanjiensis, Palaeoneilo yongdingensis

Type specimen: F.7429 U.N.E., a shell. Its type locality is L76, Rangari Section, 6.2 km north, 2.5 km east of Kelvin, which is in a Kinderhookian carbonate limestone in the Rangari limestone Formation of Australia.

Ecology: facultatively mobile infaunal deposit feeder

Average measurements (in mm): shell 35.0 x 19.0