World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Doris aspera Alder & Hancock, 1842. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=740465 on 2026-08-26
Alder J. & Hancock A. (1842). Descriptions of several new species of nudibranchous mollusca found on the coast of Northumberland. Annals and Magazine of Natural History 9: 31-36