Bulimus achatellinus Forbes, 1850

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 : 9

Bulimus achatellinus Forbes, 1850 Figs 14J , L2i

Bulimus achatellinus Forbes 1850: 56, pl. 9 figs 5a-b; Pfeiffer 1853 in Küster and Pfeiffer 1840-1865: 93, pl. 31 figs 21-23.

Bulimulus achatellinus ; Pilsbry 1897 [1897-1898]: 99, pl. 16 figs 28-29.

Naesiotus achatellinus ; Breure and Borrero 2008: 10.

Type locality.

[Ecuador, Galápagos, Isla San Cristóbal] "Chatham Island, Gelepagos".

Label.

"Chatham Is Galapagos", added on a different label with E.A. Smith’s handwriting. The taxon name is on a second label "Bulimus achatenellinus [sic] Forbes, figured specimen, Proc Zool Soc (...) fig. 5". M.C. label style III.

Dimensions.

"Long. 19, diam. 10 mill."; holotype H 19, D 9.52, W 8.7.

Type material.

NHMUK 1855.4.5.25, holotype (Cuming coll.).

Remarks.

Forbes writes "This shell (...)", therefore the single specimen found, together with the indication on the label that it was figured, makes it justifiable to consider it a holotype.

Current systematic position.

Bulimulidae , Naesiotus achatellinus (Forbes, 1850).

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 2. Labels. i Bulimus achatellinus Forbes, 1850 ii Drymaeus acuminatus da Costa, 1906 iii Bulimus (Drymaeus) aequatorianus E. A. Smith, 1877 iv Bulimus aestivus Pfeiffer, 1857 v-vi Bulimus aequatorius Pfeiffer, 1853.