Synonym Mucropetraliella valdemunita Harmer, 1957.
Petraliella dorsiporosa is found from the northern Australia and Indonesia.
Original description: Leprala dorsiporosa Busk, 1884.
Locality: "Challenger" Station 186, Cape York, Australia.
Type specimen: BMNH 1897.12.9.569.
Description from Tilbrook & Cook, 2004 (PDF file)