Bulimus acalles Pfeiffer, 1853

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 : 8-9

Bulimus acalles Pfeiffer, 1853 Figs 6A , L1iv

Bulimus acalles Pfeiffer 1853b [7 Dec.]: 258; Pfeiffer 1853d [31 Dec.]: 410; Pfeiffer 1853 [31 Dec.] in Küster and Pfeiffer 1840-1865: 84, pl. 30 figs 27-28.

Bulimulus (Lissoacme) acalles ; Pilsbry 1896 [1895-1896]: 160, pl. 50 figs 53-54.

Type locality.

"in Andibus Peruvianis".

Label.

”Peru”. M.C. label style I.

Dimensions.

"Long. 10, diam. 6 mill."; figured specimen herein H 13.2, D 7.7, W 5.3.

Type material.

NHMUK 20100651, two possible syntypes (Cuming coll.).

Remarks.

The specimens found are slightly larger than the original measurements; the largest has shell height 13.2 mm. The material-not accompanied by a taxon label in Pfeiffer’s handwriting-is from the Cuming collection, on which Pfeiffer based the description for this taxon; he did not state on how many specimens his description was based. The specimens are treated as possible syntypes.

Current systematic position.

Bulimulidae , Bostryx acalles (Pfeiffer, 1853).

Figures

Figure 6. Bostryx species. A Bostryx acalles (Pfeiffer, 1853), possible syntype NHMUK 20100651 (H = 13.2) B Bostryx depstus (Reeve, 1849), lectotype NHMUK 1975318 (H = 18.5) C Bostryx conspersus (Sowerby I, 1833), probable syntype NHMUK 20100619 (H = 19.8) D Bostryx? hennahi (J. E. Gray, 1830), lectotype of Helix cactorum d'Orbigny, 1835, NHMUK 1854.12.4.189 (H = 24.4) E-G Bostryx modestus (Broderip in Broderip and Sowerby I 1832) E Lectotype of Bulimus limensis Reeve, 1849, NHMUK 1975326 (H = 19.6) F syntype of Bulimus philippii Pfeiffer, 1842, NHMUK 1975348 (H = 24.3) G Bulinus modestus Broderip in Broderip and Sowerby I 1832, possible syntype NHMUK 20120232 (H = 31.6). All enlarged.

Figure L 1. Labels. i Bulimulus (Drymaeus) abruptus Rolle, 1904 ii Bulimus abscissus Pfeiffer, 1855 iii Helix abyssorum d'Orbigny, 1835 iv Bulimus acalles Pfeiffer, 1853 v Bulimus acervatus Pfeiffer, 1857.