original description
Afonso, O. (1985). Un asellide nouveau (Crustacea, Isopoda) de la nappe phréatique du Douro: Synasellus intermedius sp. n. <em>Publicações do Instituto de Zoologia «Dr. Augusto Nobre».</em> 188: 1-8. [details]
basis of record
Schotte, M., B.F. Kensley & S. Shilling. (1995 onwards). World list of Marine, Freshwater and Terrestrial Crustacea Isopoda. National Museum of Natural History Smithsonian Institution: Washington D.C., USA - no longer online. [website archived on 2018-01-25]. [details]
From editor or global species database
type locality Portugal [details]