Zospeum material assessed in Gittenberger (1980). A–F Zospeum praetermissum sp. n. (paratype of Z. suarezi, MHNG-Mol 96220/1 shell, now lost), Cueva Los Quesos (showing ambivalent label, Z. schaufussi Frfld) G–M Zospeum praetermissum sp. n (figured paratype of Z. suarezi, MHNG-Moll 96219, now lost), Cueva del Puente de Inguanzo L, N–R Zospeum gittenbergeri sp. n. (figured shell of Z. schaufussi sensu Gittenberger (1980), MHNG 96219, now lost).