Bulinus ustulatus Sowerby I, 1833

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 : 168

Bulinus ustulatus Sowerby I, 1833 Figs 14E , L63iv

Bulinus ustulatus Sowerby I 1833b: 72; Sowerby I 1833 [ Sowerby I and II 1832-1841]: fig. 42; Reeve 1848 [1848-1850]: pl. 21 fig. 130; Neubert and Janssen 2004: 233, pl. 11 fig. 134.

Naesiotus ustulatus ; Köhler 2007: 136, fig. 56; Breure and Borrero 2008: 17.

Type locality.

[Ecuador] "ad Insulas Gallapagos".

Label.

"Charles Id / Galapagos", in E.A. Smith’s handwriting. M.C. label style III, V.

Dimensions.

"long. 0.6, lat. 0.3 poll. [H 15.2, D 7.6 mm]"; figured specimen herein H 13.95, D 7.24, W 7.0.

Type material.

NHMUK 20100633, lectotype and one paralectotype (Cuming coll.).

Remarks.

Sowerby described this taxon from the collection of H. Cuming; in his remarks he specified ”Charles’s”, nowadays called Isla San Cristóbal. The specimen illustrated by Sowerby 1833 [ Sowerby I and II 1832-1841] is now designated lectotype (design.n.) to define the taxon. The paralectotype was figured by Reeve.

Current systematic position.

Bulimulidae , Naesiotus ustulatus (Sowerby I, 1833).

Figures

Figure 14. Naesiotus species. A-D Naesiotus nux (Broderip, 1832) A lectotype NHMUK 1975172 (H = 21.5) B-C lectotype of Bulimus incrassatus Pfeiffer, 1853 NHMUK 1975157 (H = 17.3) C sculpture on dorsal side of (pen) ultimate whorl D lectotype of Bulimus verrucosus (Pfeiffer, 1855) NHMUK 1975168 (H = 22.5) E-F Naesiotus ustulatus (Sowerby I, 1833) E lectotype NHMUK 20100633 (H = 13.95) F possible syntype of Bulimulus (Naesiotus) ustulatus phlegonis Dall & Ochsner, 1928 NHMUK 1937.6.18.2 (H = 12.5) G Naesiotus nucula (Pfeiffer, 1853), lectotype NHMUK 1975155 (H = 11.2) H Naesiotus galapaganus (Pfeiffer, 1855), lectotype NHMUK 1975146 (H = 15.1) I Naesiotus ventrosus (Reibisch, 1892), paralectotype NHMUK 1894.6.8.1 (H = 18.9) J Naesiotus achatellinus (Forbes, 1850), holotype NHMUK 1855.4.5.25 (H = 19.0). All enlarged.

Figure L 63. Labels. i Bulimus umbilicaris Souleyet, 1842 ii Bulimus umbricatus Reeve, 1849 iii Bulinus unifasciatus Sowerby I, 1833 iv Bulinus ustulatus Sowerby I, 1833 v Bulimus varicosus Pfeiffer, 1853 vi Bulimulus (Naesiotus) ventrosus Reibisch, 1892.