Mesoiulus cavernarum (Verhoeff, 1938)

Baskoiulus cavernarum Verhoeff, 1938: 13

Distribution: Spain, Basque district, Guipuzcoa, Vergara, Oñati, near Aranzazu, Cueva Azkonar Zulueta; Tolosa, Cueva de Aïtzbeltz; Tolosa, Hernialde, Cueva de Hernialde; San Sebastian, Renteria, Aïtzbitarte, Cueva de Landarbaso. Navarra, Basque district, Pamplona, Laraun (Lecumberri), Martinchurrito (plateau), Cueva de Martinchurrito (Verhoeff 1938, Ceuca 1973, Mauriès 1971b, Vicente 1980).