Epiphragmophora variegata Hylton Scott, 1962

CLASSE: GASTROPODA: TERRESTRE

FAMÍLIA: EPIPHRAGMOPHORIDAE

ESPÉCIE: Epiphragmophora variegata Hylton Scott, 1962

Tamanho médio: 22.1 – 25.5 mm

Ocorrência: Argentina (Tucuman, Catamarca)

Localidade tipo: Argentina, Catamarca, “Dept. Belén, Agua de Dionisio, Farallón Negro, 1953”

Habitat: em paredes rochosas nas montanhas ou entre a grama nas porções sul da região da floresta nublada, província biogeográfica de Yungas

Nome original: Epiphragmophora variegata Hylton Scott, 1962

Descrição:

(Cuezzo, 2006): “Dextral, helicoidal, globose, solid; medium to small; with high conical spire; 4 ½ convex whorls delimited by a wellimpressed suture; shell color highly variable, from uniform pale yellow to dark brown; generally with three pigmented peripheral bands, dorsal and ventral bands wider than equatorial, about 2 mm in thickness, dark brown, neatly delimited, bands evident in body whorl persisting only dorsal band in spire;

Dorsal and ventral bands in some specimens with different color than central band, usually lighter; few specimens with one equatorial band; protoconch smooth; teleoconch with fine growth lines; surface of body whorl malleated; aperture subcircular with a thick, white, strongly reflexed peristome; callus between margins of dorsal and ventral lip usually raised; body whorl abruptly descending behind aperture; umbilicus completely overlapped by columelar portion of peristome but not fused with shell wall in most specimens, only in some specimens basal lip partially sealed to shell wall with umbilicus still visible”

Fotos: (1-3): Montenegro et al. 2024: (1) Cruce de RP1 con RP18, Catamarca, 27.9 mm; (2) Dique Escaba, Tucumán, 27.1 mm; (3) animal vivo, Dique Escaba, Tucumán

Figura: Cuezzo, 2006: (A) Epiphragmophora tucumanensis (SKF 7711, LECTOTYPE), escala da barra = 10 mm; (B) Epiphragmophora trenquelleonis (SMF 7708, LECTOTYPE), escala da barra = 10 mm; (C) Epiphragmophora variegata (FML 290 a, HOLOTYPE), escala da barra = 15 mm; (D) Epiphragmophora villavilensis (MACN 383, HOLOTYPE), escala da barra = 15 mm

Fontes:

Descrição original: nd

Cuezzo, M. G. (2006). Systematic revision and cladistic analysis of Epiphragmophora Doering from Argentina and southern Bolivia (Gastropoda: Stylommatophora: Xanthonychidae). Malacologia. 49(1): 121−188.
página(s): 167

Iconografía de moluscos continentales de Argentina: primera parte / Rubén Francisco Montenegro … [et al.], 2024 – 1a edición; Ciudad Autónoma de Buenos Aires: Fundación de Historia Natural Félix de Azara, 2024
Libro digital, PDF

Molluscabase: https://molluscabase.org/aphia.php?p=taxdetails&id=1252600