Helix anguiculus Reeve, 1852

Brook, Fred J. & Ablett, Jonathan D., 2019, Type material of land snails (Mollusca: Gastropoda) described from New Zealand by taxonomists in Europe and North America between 1830 and 1934, and the history of research on the New Zealand land snail fauna from 1824 to 1917, Zootaxa 4697 (1), pp. 1-117 : 27

Helix anguiculus Reeve, 1852

Pl. 2, fig. A

Reeve, (1851–1854) 1852. Conchologia iconica, 7: species 802, pl. 131, fig. 802.

Type material: Lectotype, NHMUK 1971049 , and paralectotype (1), NHMUK 1971050 (dry shell material); ex. Mus. Cuming (Acc. no. 1829) . Lectotype designated by Climo (1993: 23, fig.6).

Label details: ‘n.sp. H. theta Pfr, N. Zealnd’ in Pfeiffer’s handwriting, manuscript name.

Type locality: ‘New Zealand’ (Reeve 1852 [in 1851–1854]: species 802).

Previous illustrations of type material: Reeve (1852 [in 1851–1854]: pl. 131, fig. 802); Climo (1993: fig.6).

Remarks: The synonym Helix theta Pfeiffer , listed by Reeve (1852 [in 1851–1854]), is a nomen nudum. Historically there was confusion over the identity of Helix anguiculus Reeve, 1852 , as noted by Climo (1983: 157; 1993: 16), with Reeve’s name having been mis-applied to a species with a wide distribution in the New Zealand region (e.g., Suter 1913b: 701, pl. 27, fig. 16; Climo 1970a: 288, fig. 8C, D, pl. 3B; Powell 1979: 303). Climo (1983, 1993) noted that the name Charopa pseudanguicula Iredale, 1913 , based on Kermadec Islands material, was available for the latter species.

Current Taxonomy: Listed as Cavellia anguicula (Reeve, 1852) by Solem et al. (1981: 472, 480), Climo (1983: 157, 1993: 16) and Spencer et al. (2009: 215).

Distribution: New Zealand; central and southern North Island, northern South Island ( Mahlfeld 2005: fig. 100; NMNZ collection records).