Trochonanina exposita, Mousson, 1873

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 : 65-66

Trocho-Nanina exposita Mousson, 1873

Pl. 7, fig. F

Mousson, 1873. Journal de Conchyliologie, 21: 111, pl. 7, fig. 2.

Type material: Syntypes (3), ZMZ 501943 (dry shell material).

Label details: ‘Ne’. exposita Mss. 10, Kermandek I (Grffe 72)’ in Mousson’s handwriting.

Type locality: ‘l’île du Dimanche (groupe de Kermandec)’ ( Mousson 1873: 112).

Previous illustrations of type material: Mousson (1873: pl. 7, fig. 2); Tryon (1886 [from Mousson 1873]: pl. 23, fig. 60).

Remarks: The type material was sent to the Museum Godeffroy in Hamburg by the naturalist Dr. Edouard Graeffe, but when it was collected, and by whom, was not stated ( Mousson 1873: 110). Trochonanina exposita Mousson, 1873 is the type species of Fanulum Iredale, 1913 , by original designation.

Current Taxonomy: Listed as Fanulum expositum ( Mousson, 1873) by Iredale (1913: 372, 1915b: 498), Oliver (1915: 550) and Spencer et al. (2009: 216).

Distribution: Kermadec Islands; Raoul Island ( Mousson 1873; Iredale 1913, 1915b; Oliver 1915).