Bulinus bicolor Sowerby I, 1835

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 : 25

Bulinus bicolor Sowerby I, 1835 Figs 66O-P , L9i

Bulinus bicolor Sowerby I 1835: 141; Reeve 1848 [1848-1850]: pl. 44 fig. 276; Breure 1979: 85.

Scutalus (Vermiculatus) bicolor ; Breure 1978: 171 (lectotype designation).

Type locality.

"provinciae Peruviae Xagua" (see remarks).

Label.

”Peru” on two labels with different handwriting, ”Zagua” written on board. M.C. label style I, V.

Dimensions.

"Long. 0.9, lat. 0.4 poll. [H 22.8, D 10.1 mm]"; figured specimen herein H 23.6, D 10.9, W 5.8.

Type material.

NHMUK 1975151 lectotype; 1975152, two paralectotypes (Cuming coll.).

Remarks.

Sowerby described this taxon from the Cuming collection. So far the publication date for this taxon has been cited as 1834 or 1835. According to Duncan (1937: 78) Sowerby’s paper was published on 3 April 1835. The type locality has not be found in any modern gazetteer. Weyrauch (1967: 386) simply lists this species as from Peru, but distinguished Scutalus bicolor badius (Sowerby I, 1835) from ”N-Peru”. According to Crawford (1939: 330) the name ”Xagua” could refer to Dept. Jauja, which is in Central Peru. The specimen figured by Reeve has been selected lectotype by Breure (1978). The current systematic position at the species level follows Richardson (1995: 348).

Current systematic position.

Bulimulidae , Kuschelenia (Vermiculatus) bicolor (Sowerby I, 1835) (comb. n.).

Figures

Figure 66. A-D Scutalus species. A-B Scutalus proteus Broderip in Broderip and Sowerby I 1832, lectotype NHMUK 20100638 (H = 44.1) C-E Scutalus versicolor versicolor (Broderip in Broderip and Sowerby I 1832) C-D possible syntype NHMUK 20100637 (H = 29.6) E lectotype of Bulimus coagulatus Reeve 1849 NHMUK 1975351 (H = 15.6) F-P Kuschelenia species. F-N Kuschelenia (Kuschelenia) culminea culminea (d'Orbigny, 1835) F-H paralectotype NHMUK 1854.12.4.198 (H = 31.2) I-K lectotype of Bulimus confusus Reeve, 1848 NHMUK 1975194 (H = 29.0) L-N lectotype of Bulimus jussieui Pfeiffer, 1846 NHMUK 1975170 (H = 31.6) O-P Kuschelenia (Kuschelenia) bicolor (Sowerby I, 1835), lectotype NHMUK 1975151 (H = 23.6). All enlarged.

Figure L 9. Labels. i Bulinus bicolor Sowerby I, 1835 ii Bulimus binneayanus Pfeiffer, 1857 iii Bulimus bogotensis Pfeiffer, 1855 iv Bulimus bolivianus Pfeiffer, 1846 v Drymaeus boucardi da Costa, 1907 vi Bulimus bourcieri Pfeiffer, 1853 vii Bulimulus (Drymaeus) broadwayi E. A. Smith, 1896.