Bulimus abscissus Pfeiffer, 1855

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 : 7

Bulimus abscissus Pfeiffer, 1855 Figs 26A-C , L1ii

Bulimus abscissus Pfeiffer 1855f: 116; Pfeiffer 1859b: 376; Breure 1979: 105 (lectotype designation).

Type locality.

"Province of Quito, Ecuador".

Label.

”Ecuador”, taxon label in Pfeiffer’s handwriting. M.C. label style IV.

Dimensions.

"Long. 28, diam. 13 mill."; lectotype H 27.8, D 14.3, W 5.5.

Type material.

NHMUK 1975497, lectotype; 1975498 five paralectotypes (Cuming coll.).

Remarks.

Pfeiffer did not state on how many specimens his description was based; no variety has been mentioned by him. Two sets of labels are with this lot, which is originating from the Cuming collection; one reading ”Ecuador” in the handwriting of one of Cuming’s secretaries. On both labels the taxon name is in Pfeiffer’s handwriting. One of the lots has been labelled " abscissus var." in a later handwriting.

Current systematic position.

Bulimulidae , Drymaeus (Drymaeus) abcissus (Pfeiffer, 1855).

Figures

Figure 26. Drymaeus species. A-C Drymaeus (Drymaeus) abscissus (Pfeiffer, 1855), lectotype NHMUK 1975497 (H = 27.8) D-F Drymaeus (Drymaeus) fallax (Pfeiffer, 1853), lectotype NHMUK 1969142 (H = 22.4) G-I Drymaeus (Drymaeus) bourcieri (Pfeiffer, 1853), lectotype NHMUK 1975446 (H = 23.9) J-L Drymaeus (Drymaeus) abruptus (Rolle, 1904), syntype NHMUK 1947.2.10.1 (H = 42.5). 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.