Spixia Pilsbry & Vanatta, 1898

Breure, Abraham S. H. & Avila, Valentin Mogollon, 2016, Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae, ZooKeys 588, pp. 1-199 : 38

Taxon classification Animalia Stylommatophora Odontostomidae

Genus Spixia Pilsbry & Vanatta, 1898

Odontostomus (Spixia) Pilsbry and Vanatta in Pilsbry 1898: 57.

Type species.

Pupa striata Wagner, 1827, by original designation.

Diagnosis.

Shell high-conic to subcylindrical, rimate, moderately solid, height up to ca. 35 mm (study area), groundcolour whitish to corneous, sometimes with reddish streaks, whorls slightly convex, protoconch finely regularly striated, then striae becoming obsolete, teleoconch sometimes with radially riblets, aperture irregularly ovate, with four teeth (parietal lamella short, columellar lamella very oblique, long, entering, basal lamella tubercular, palatal lamella short, triangular), peristome angular above and at base, expanded (modified after Schileyko 1999).

Distribution.

Bolivia, Paraguay, Argentina, Uruguay, Brazil.

Habitat.

Found under rocks and among roots and basal portions of small shrubs.

Anatomy.

Breure and Schouten 1985: Spixia aconjigastana ( Döring, 1876) [g, r], Spixia doellojuradoi (Parodiz, 1941) [g, h, m, r], Spixia pyrgula (Hylton Scott, 1952) [g, r]; Spixia striata (Spix in Wagner,1827) [g, r]; Schileyko 1999: Spixia striata (Wagner, 1827) [g, m]; Salas Oroño 2007: Spixia doellojuradoi (Parodiz, 1941) [g, m, r, p], Spixia martensii ( Döring, 1874) [g, m, r], Spixia pyriformis (Pilsbry, 1901) [g, m], Spixia tucumanensis (Parodiz, 1941) [g, m]; Salas Oroño 2010: Spixia cuezzae Salas Oroño, 2010 [g, m, r, p].

Phylogenetic data.

Breure et al. 2010: Spixia popana ( Döring, 1874); Breure and Romero 2012: Spixia pervarians Haas, 1936, Spixia philippii ( Döring, 1874), Spixia tucumanensis (Parodiz, 1941).