Urocoptid landsnails of the Genus Holospira from southern Mexico

Abstract

The taxonomy of the landsnail genus Holospira s.s. and subgenus Stalactella from southern Mexico is reviewed. The area of study includes the state of Puebla and adjacent regions of Morelos, Oaxaca and Veracruz. Stalactella Bartsch, 1906 is redefined and is recognized as distinct from Propilsbrya Bartsch, 1906 with which it had previously been associated. Twenty-nine species are recognized. The primary types of all species are illustrated, except for Holospira tetralasma Pilsbry, 1902. New species of Holospira s.s. include Holospira acanthidia n. sp., H. denserpens n. sp., H. eburnea n. sp., H. zygoptyx n. sp., H. rhinion n. sp., H. aurantiaca n. sp., H. scololaema n. sp., H. colymis n. sp., H. fortisculpta n. sp., H. haploplax n. sp. New species of Salactella include H. cremnobates n. sp., H. psectra n. sp., H. marmorata n. sp., and H. chazumbae n. sp. Holospira goniostoma (Pfeiffer, 1856), H. teres (Menke, 1847), H. hogeana Martens, 1897, H. pfeifferi (Menke, 1847), H. (S.) rosei Bartsch, 1906 and Coelostemma microstoma (Pfpiffer, 1861) are redescribed, and lectotypes are designated. Since its original description the latter species was referred questionably to Holospira.