Stephacharopa calderaensis Miquel & Araya, 2013

CLASSE: GASTROPODA: TERRESTRE

FAMÍLIA: CHAROPIDAE

ESPÉCIE: Stephacharopa calderaensis Miquel & Araya, 2013

Tamanho médio: 2.1 – 3.0 mm

Distribuição: Chile (Atacama)

Localidade tipo: Chile, Região de Atacama, “Quebrada del León, about 15 km NE of Caldera, Province of Copiapó”

Nome original: Stephacharopa calderaensis Miquel & Araya, 2013

Etimologia: o nome da espécie é uma referência à localidade tipo

Descrição original:

(Miquel & Araya, 2013): “Shell orbicular, discoidal, moderately thick, 2.10–3.00 mm width, with 4.5 convex whorls; widely umbilicate; spire low, with protoconch of 1.75 whorls, sculptured with 40–60 thin and smooth radial ribs, interspaces almost smooth; teleoconch of 2.75 whorls, sculptured with 90–95 prominent, wide, prosocline nodulose radial ribs, with interspaces filled by about ten nodulose costulae, some of these small nodulae seem to be formed by the intersection of the radial ribs with fine spiral threads;

suture deep; aperture circular, descendent, about 0.72 of shell height; lip relatively thick, columellar part slightly reflected over umbilicus; callus on body whorl distinct; umbilicus widely perspective, about 0.3 of shell diameter; shell microstructure consisting of well-developed columnar prisms oriented towards external surface, of 800 nm in length (Bolmaro, pers. comm., 2012); Animal unknown.”

Fotos: (1) Miquel & Araya, 2013: PARATYPE MACN-In 39023, “NE Cerro El Morro, 165 m, south of Caldera, Copiapó, Atacama region”, coll. J.F. Araya, 24.iii.2012

Figura: Miquel & Araya, 2013: (2,4) HOLOTYPE MNHNCL 7593; (3,5) PARATYPE MACN-In 39023

Fontes:

Descrição original: Miquel, S. E.; Araya, J. F. (2013). A new Charopidae from Chile and Argentina, Stephacharopa calderaensis n. gen. and n. sp., with remarks on the taxonomy of the genus Stephadiscus Hylton Scott 1981 (Mollusca: Gastropoda Pulmonata). Archiv für Molluskenkunde. 142(2): 227-235., disponível online em https://doi.org/10.1127/arch.moll/1869-0963/142/227-235
página(s): 229

Molluscabase: https://molluscabase.org/aphia.php?p=taxdetails&id=1304955