Bulimulus (Naesiotus) albemarlensis Dall, 1917

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 : 12

Bulimulus (Naesiotus) albemarlensis Dall, 1917 Figs 13F , L3iv

Bulimulus (Naesiotus) albemarlensis Dall 1917 b: 377.

Naesiotus albemarlensis ; Breure 1979: 67; Breure and Borrero 2008: 10.

Type locality.

[Ecuador, Galápagos, Isla Isabela] "near Villamil, at 2300 to 3300 feet elevation".

Label.

"Galapagos Isl. / Albemarle Isl.".

Dimensions.

"Length of shell 15; diameter 9 mm"; figured specimen herein H 14.7, D 10.0, W 5.8.

Type material.

NHMUK 1937.6.18.13-16, three possible paratypes, California Academy of Sciences Expedition 1905-1906 leg. (ex Schlesch).

Remarks.

The type status of these specimens is not fully resolved and is here viewed with much caution, as it remains unclear how Schlesch obtained specimens from the original series.

Current systematic position.

Bulimulidae , Naesiotus albemarlensis (Dall, 1917).

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 3. Labels. i-ii Bulinus affinis Broderip in Broderip and Sowerby I 1832 iii Drymaeus alabastrinus da Costa, 1906 iv Bulimulus (Naesiotus) albemarlensis Dall, 1917 v-vi Bulinus albicans Broderip in Broderip and Sowerby I 1832 vii Bulimus albicolor Morelet, 1863 viii Bulimus (Drymaeus) albolabiatus E. A. Smith, 1877 ix-x Bulinus albus Sowerby I, 1833.