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).