Vitrina dimidiata Pfeiffer, 1853

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 : 41

Vitrina dimidiata Pfeiffer, 1853

Pl. 14, fig. A

Pfeiffer, 1853. Monographia heliceorum viventium, 3: 6

Type material: Original description based on one or more specimens in Cuming collection; type material not found in NHMUK collections in 2018, present whereabouts unknown .

Type locality: ‘Nova Seelandia’ ( Pfeiffer 1853a: 6; 1854a: 56).

Previous illustrations of type material: Reeve (1862: pl. 10, fig. 72).

Remarks: Pfeiffer evidently intended to publish the original description of this species in the Proceedings of the Zoological Society of London issue for 1851 (see Pfeiffer 1853a: 6), but publication was delayed until 1854 ( Pfeiffer 1854a: 56), and was pre-empted by Pfeiffer (1853a: 6). Vitrina dimidiata Pfeiffer, 1853 is the type species of Otoconcha Hutton, 1884 , by original designation.

Current Taxonomy: Listed as Otoconcha dimidiata (Pfeiffer, 1853) by Hutton (1884b: 199), Suter (1913b: 620), Dell (1952: 60), Climo (1971: 44), Powell (1979: 334) and Spencer et al. (2009: 215).

Distribution: New Zealand; North Island and northern South Island ( Dell 1952; Climo 1971; Powell 1979).