Taxon classification Animalia Stylommatophora Orthalicidae

Corona regalis (Hupe, 1857) Figs 42 A–C, 43, 89B

Bulimus regalis Hupé 1857: 34, pl. 10 fig. 3.

Bulimus loroisianus Hupé 1857: 35, pl. 2 fig. 4.

Corona regalis; Richardson 1993: 68 (synonymy, references); Simone 2006: 160, fig. 547.

Corona regalis regalis; Ramírez et al. 2003: 282.

Corona regalis loroisiana; Ramírez et al. 2003: 282.

Corona loroisiana; Simone 2006: 159, fig. 544.

Type locality.

"le Brésil” .

Type material.

Not located.

Diagnosis.

Shell sinistral or dextral, solid, ground colour brownish to whitish, the upper whorls gradually turning into pinkish, a dark peripheral band may be present, columellar margin bordered by a dark band, extending in the dark parietal callus.

Dimensions.

Shell height 70, diameter 34 mm ( regalis Hupé), resp. 64 and 30 mm ( loroisianus Hupé).

Distribution.

Colombia (Linares and Vera 2012). Ecuador, Prov. Tungurahua, Baños (Breure and Borrero 2008). Peru, Dept. Loreto, Pebas (MCZ 156697*); ibid., Santa Clara (USNM *); ibid., Yurimaguas (ANSP 189244*); Dept. San Martín, Moyobamba (ANSP 26166); ibid., Saposoa (ANSP 165231*); ibid., Shapaja (ANSP 165230*); ibid., near Tingo Maria (MCZ 179600*); ibid., near Yarina (MCZ 272904*, 272906*, 272918*); Dept. Huánuco, Aguas Calientes (MCZ 225651*); Dept. Ucayali, río Aguaytia (ANSP 331978*; MCZ 159190*). Brazil (Simone 2006).

Ecoregion.

Iquitos varzea [NT0128], Ucayalí moist forests [NT0174].

Remarks.

This species shows enantiomorphy and its geographic variation needs more study. The morphological differences with Corona regina ( Férussac, 1823) seem but marginal, and only a thorough revision may shed further light on the taxonomy of this group.