
Parashiela liddelliana (Hedley, 1907) (Figs 23; 50) Rissoa liddelliana Hedley, 1907: 494, pl. xvii, fig. 24. TYPE MATERIAL. — Holotype. Australia • dd; Queensland, Capricorn Group, Mast Head Reef; AMS-C.19544. Paratypes. Australia • 14 dd; Queensland, Capricorn Group, Mast Head Reef; AMS-C.170431. TYPE LOCALITY. — Australia: Queensland, Capricorn Group, Mast Head Reef. DISTRIBUTION. — Pacific from the northern part of Australia to Japan and Hawaii (van Gemert 2016: 8) (Fig. 50). DIAGNOSIS. — Parashiela small for the genus, height 1.20 mm. Whorls convex with weak double anglulation on the last whorl. Protoconch multispiral.Teleoconch devoid of spiral macro-sculpture; 20 narrow and slightly flexuose axial ribs on the last whorl, reaching the base and entering the narrow umbilical fissure. Peristome duplicated, with thick and wide varix crossed by evident growth striae. Colouration whitish. REMARKS The holotype (AMS-C.19544) (Fig. 23A, B) is rather damaged, especially on the aperture (it has also suffered partial corrosion from the Byne’s disease). This species has rarely been reported in the literature (e.g. Middelfart et al. 2020: 171, fig. 8C) and more often under other names (e.g. Kay 1979: 78, pl. 27, fig. D, as Parashiela beetsi, fide Hasegawa 2006b:109; Fukuda 1993: 40, pl. 13, fig. 188, as Parashiela ambulata; Ekawa, 1993, as Parashiela sp., fide Hasegawa 2006b: 109). See under P. expansilabrum n. sp., P. rimatara n. sp. and P. soniae n. sp. for detailed comparisons.
Published as part of Amati, Bruno, Giulio, Andrea Di & Oliverio, Marco, 2023, Shallow-water Rissoidae of the genera Alvania Risso 1826 Haurakia Iredale 1915 Parashiela Laseron 1956 Simulamerelina Ponder 1985 and Subestea Cotton 1944 Gastropoda Caenogastropoda Rissooidea from French Polynesia with the description of a new deep-water genus, pp. 803-892 in Zoosystema 45 (25) on page 837, DOI: 10.5252/zoosystema2023v45a25, http://zenodo.org/record/10458066
Parashiela liddelliana, Mollusca, Gastropoda, Animalia, Parashiela, Biodiversity, Littorinimorpha, Taxonomy, Rissoidae
Parashiela liddelliana, Mollusca, Gastropoda, Animalia, Parashiela, Biodiversity, Littorinimorpha, Taxonomy, Rissoidae
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