Bulimus perspectivus Pfeiffer, 1846

Breure, Abraham S. H. & Ablett, Jonathan D., 2014, Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London, ZooKeys 392, pp. 1-367 : 120

Bulimus perspectivus Pfeiffer, 1846 Figs 13I , L45iv

Bulimus perspectivus Pfeiffer 1846a: 33; Pfeiffer 1848b: 97; Reeve 1849 [1848-1850]: pl. 63 fig. 435; Breure 1979: 71.

Naesiotus perspectivus ; Breure and Coppois 1978: 181 (lectotype designation); Breure and Borrero 2008: 14.

Type locality.

"Locality unknown".

Label.

"Galapagos Is." (in E.A. Smith’s handwriting), taxon label in Pfeiffer’s handwriting. M.C. label style III, V.

Dimensions.

"Long. 16, diam. 6 1/2 mill."; figured specimen herein H 15.7, D 6.34, W 6.8.

Type material.

NHMUK 1975166, lectotype; 1975176, two paralectotypes (Cuming coll.).

Remarks.

Pfeiffer described this taxon from Cuming’s collection, but did not state on how many specimens his description was based. Reibisch (1892: 19) reported this taxon for the first time from a precise locality, "Chatham Island, Galapagos", on account of specimens collected by Th. Wolf.

Current systematic position.

Bulimulidae , Naesiotus perspectivus (Pfeiffer, 1846).

Figures

Figure 13. Naesiotus species. A Naesiotus unifasciatus (Sowerby I, 1833), lectotype NHMUK 1975187 (H = 20.4) B-E Naesiotus jacobi (Sowerby I, 1833) B possible syntype NHMUK 1842.5.10.250 (H = 11.9) C sculpture on dorsal side of ultimate whorl D syntype of Bulimulus (Naesiotus) pallidus Reibisch, 1892 NHMUK 1894.5.8.3 (H = 11.37) E sculpture on dorsal side of (pen) ultimate whorl F Naesiotus albemarlensis Dall, 1917, possible paratype NHMUK 1937.6.18.13 (H = 14.5) G-H Naesiotus curtus (Reibisch, 1892), syntype NHMUK 1894.6.8.8 (H = 9.6) H sculpture on dorsal side of (pen) ultimate whorl I Naesiotus perspectivus (Pfeiffer, 1846), lectotype NHMUK 1975166 (H = 15.7) J Naesiotus darwini (Pfeiffer, 1846), possible syntype NHMUK 20100523 (H = 8.64). All enlarged.

Figure L 45. Labels. i Helix paziana d'Orbigny, 1835 ii Drymaeus expansus perenensis da Costa, 1901 iii Bulimulus pergracilis Rolle, 1904 iv Bulimus perspectivus Pfeiffer, 1846 v Bulimus pervariabilis Pfeiffer, 1853 vi Bulimus pervius Pfeiffer, 1853 vii Bulimus petenensis Morelet, 1851.