Helix abyssorum d’Orbigny, 1835

Breure, Abraham S. H., 2016, Annotated type catalogue of the Orthalicoidea (Mollusca, Gastropoda, Stylommatophora) in the Muséum d’histoire naturelle, Geneva, Revue suisse de Zoologie 123 (1), pp. 57-103 : 61

Helix abyssorum d’Orbigny, 1835

Fig. 45

Helix abyssorum d’Orbigny, 1835: 17 . – Breure & Ablett, 2014: 9 , figs 27A-C, L1iii.

Bulimus abyssorum – d’Orbigny, 1837 [1834-1847]: 308, pl. 39 figs 7-8. – Gray, 1854: 21.

Drymaeus abyssorum – Pilsbry, 1898 [1897-1898]: 192, pl. 37 figs 3-4. – Breure, 1975: 1149, pl. 7 fig. 2 (lectotype designation).

Drymaeus (Drymaeus) hygrohylaeus – Miquel, 1989b: 77, fig. 1.

Type locality: [ Bolivia] “provincia Lagunacensi (republica Boliviana)”; see Breure, 1973: 113.

Label: “ Bolivie ”, in Moricand’s handwriting.

Dimensions: “Longit. 52 mil., latit. 25 millim.”; figured specimen herein H 46.9 D 24.6, W5.9.

Type material: MHNG-INVE-63420 , one paralectotype (ex d’Orbigny, Moricand coll.).

Remarks: d’Orbigny did not state on how many specimens his description was based. The type series appears to have been split between the MNHN and NHMUK collections ( Breure, 1975 b; Breure & Ablett, 2014), while one specimen was sent to S. Moricand (likely at an earlier stage before the final split was made). The lectotype is in the MNHN. None of the specimens in London match the original figures, while one of the specimens in Paris is close to the published dimensions. The current systematic position follows Breure & Ablett (2014).

Current systematic position: Bulimulidae , Drymaeus (Drymaeus) abyssorum (d’Orbigny, 1835) .

Figures

Figs 42-65. Bulimulidae. (42) Bulimulus heloicus (d’Orbigny, 1835), syntype, MHNG-INVE-79903 (H = 22.4). (43) Bulimulus unicolor (Sowerby I, 1833), paralectotype of Bulimus petenensis Morelet, 1851, MHNG-INVE-60291 (H = 16.2). (44) Cochlorina aurismuris (Moricand, 1838), syntype, MHNG-INVE-60683 (H = 31.5). (45-46) Drymaeus (Drymaeus) abyssorum (d’Orbigny, 1835), respectively paralectotype of Helix abyssorum d’Orbigny, 1835, MHNG-INVE-63420 (H = 46.9), and paralectotype of Helix hygrohylaea d’Orbigny, 1835, MHNG-INVE-63469 (H = 43.9). (47-50) Drymaeus (Drymaeus) strigatus (Sowerby I, 1833), (47-48) syntype of Bulimus mariae J. Moricand, 1858, MHNG-INVE-64389 (H = 23.3), (49) syntype of Bulimus ceciliae J. Moricand, 1858, MHNG-INVE-63436 (H = 22.3), (50) syntype of Bulimus delphinae J. Moricand, 1858, MHNG-INVE-63443 (H = 22.4). (51) Drymaeus (Drymaeus) similaris (J. Moricand, 1856), syntype, MHNG-INVE-63531 (H = 23.6). (52) Drymaeus (Drymaeus) sachsei (Albers, 1854), syntype, MHNG- INVE-63524 (H = 31.9). (53) Drymaeus (Drymaeus) poecilus (d’Orbigny, 1835), paralectotype, MHNG-INVE-63506 (H = 26.8). (54) Drymaeus (Drymaeus) mexicanus (Lamarck, 1822), syntype, MHNG-INVE-51166 (H = 30.9). (55) Drymaeus (Drymaeus) draparnaudi (Pfeiffer, 1847), paralectotype of Helix torallyi d’Orbigny, 1835 [partim], MHNG- INVE-60326 (H = 24.9). (56-58) Drymaeus (Mesembrinus) virgulatus (Férussac, 1821), syntypes of Bulimus caribaeorum Lamarck, 1822, MHNG-INVE-51169 (H = 26.0).(59) Drymaeus (Mesembrinus) oreades (d’Orbigny,1835), paralectotype, MHNG-INVE-64483 (H = 31.4). (60-61) Drymaeus (Mesembrinus) fragilis (Lamarck, 1822), syntype (H = 28.3). (62) Drymaeus (Mesembrinus) immaculatus (C.B. Adams in Reeve, 1850), paralectotype, MHNG-INVE-64442 (H = 29.7). (63) Drymaeus (Mesembrinus) multilineatus (Say, 1825), paralectotype of Bulimus sisalensis Morelet, 1849, MHNG- INVE-64471 (H = 21.4). (64) Drymaeus (Mesembrinus) tropicalis (Morelet, 1849), paralectotype, MHNG-INVE-64519 (H = 24.3). (65) Drymaeus (Mesembrinus) leucomelas (Albers, 1854), paralectotype, MHNG-INVE-64455 (H = 25.9). ►