Gittenberger, E., 1973. Beiträge zur kenntnis der Pupillacea III. Chondrininae. Zoologische Verhandelingen, 127: 1–267. [p. 236, fig. 132].
“Yebel Musa, westlich von Ceuta, Marokko”.
Yebel Musa [Dead Woman Mountain], in the West of Ceuta.
Paratypes: Museu de Ciències Naturals (Zoologia) de Barcelona, MZB 89–8603 (type loc., 50 shells, ex Font i Quer coll.) + MZB 89–8602 (“Tlata d’Anyera [Zoco Telata de Anyera = Tagrament, Ceuta], El Jozin [El Joain?], 26 shells, ex Font i Quer coll.) + MZB 89–8604 (loc. cit., 59 shells, ex Font i Quer coll.).
Holotype: Naturalis, Nationaal Natuurhistorisch Museum, Leiden, 54845.
Paratypes: Naturalis, Nationaal Natuurhistorisch Museum, Leiden (3 + 3 + 5 + 2 paratypes) + Natural History Museum, London, s197372–73 (8 + 11).
Chondrina calpica altenai Gittenberger, 1973