Eusphinctus (Nothosphinctus) silaceus Clark, 1924a: 77, fig. 3 (w.) AUSTRALIA (Western Australia). Australasia.

Primary type information: Primary type material: syntype workers (number not stated, “a large number”). Primary type locality: Australia: Western Australia, Armadale (J. Clark). Primary type depositories: MVMA, NHMB. Type notes: Baroni Urbani, 1973b: 123, cites 2 worker syntypes in NHMB.