Bulimulus pergracilis Rolle, 1904

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 : 119

Bulimulus pergracilis Rolle, 1904 Figs 54G , L45iii

Bulimulus pergracilis Rolle 1904: 37.

Drymaeus (Drymaeus) pergracilis ; Breure 1979: 112.

Type locality.

"Huancabamba in Peru".

Label.

"Huancabamba / Peru", in Rolle’s handwriting.

Dimensions.

"Alt. 35, diam. max. 12 mm."; figured specimen herein H 33.2, D 11.0, W 7.8.

Type material.

NHMUK 1922.2.4.33, lectotype (ex Rolle).

Remarks.

Rolle did not mention on how many specimens his description was based. The reference of Breure (1979) to "HT 1922.2.4.33" has to be interpreted as a lectotype designation under Art. 74.6 ICZN. See also remarks on locality and publication date under Bulimulus (Drymaeus) abruptus Rolle, 1904.

Current systematic position.

Bulimulidae , Drymaeus (Drymaeus) pergracilis (Rolle, 1904).

Figures

Figure 54. Drymaeus species. A-B Drymaeus (Drymaeus) expansus perenensis da Costa, 1901, lectotype NHMUK 1907.11.21.39 (H = 45.8) C-D Drymaeus (Mesembrinus) ghiesbreghti iodostylus (Pfeiffer, 1861), syntype NHMUK 1975568 (H = 32.2) E Drymaeus (Drymaeus) trujillensis (Philippi, 1867), possible syntype of Bulimus (Otostomus) lamas Higgins, 1868 NHMUK 1868.4.3.3 (H = 29.2) F Drymaeus (Drymaeus) rubrovariegatus (Higgins, 1868), possible syntype NHMUK 1868.4.3.1 (H = 32.8) G Drymaeus (Drymaeus) pergracilis (Rolle, 1904), lectotype NHMUK 1922.2.3.33 (H = 33.2) H Drymaeus (Drymaeus) ponsonbyi da Costa, 1907, holotype NHMUK 1907.11.21.27 (H = 33.5) I Drymaeus (Mesembrinus) moritinctus (Martens, 1893), lectotype NHMUK 1901.6.22.841 (H = 25.2) J-K Drymaeus (Mesembrinus) recluzianus (Pfeiffer, 1847), lectotype of Bulimulus (Drymaeus) nubilus Preston, 1903 NHMUK 1903.5.4.1 (H = 22.3) L-M Drymaeus (Mesembrinus) oreades (d'Orbigny, 1835) L sculpture on ultimate whorl M lectotype NHMUK 1854.121.4.161 (H = 31.6). All enlarged.

Figure L 45. Labels. i Helix paziana d'Orbigny, 1835 ii Drymaeus expansus perenensis da Costa, 1901 iii Bulimulus pergracilis Rolle, 1904 iv Bulimus perspectivus Pfeiffer, 1846 v Bulimus pervariabilis Pfeiffer, 1853 vi Bulimus pervius Pfeiffer, 1853 vii Bulimus petenensis Morelet, 1851.