Ampullaria schrammi, Crosse, 1876

Cowie, Robert H. & Héros, Virginie, 2012, Annotated catalogue of the types of Ampullariidae (Mollusca, Gastropoda) in the Muséum national d’Histoire naturelle, Paris, with lectotype designations, Zoosystema 34 (4), pp. 793-824 : 817

schrammi Crosse, 1876 , Ampullaria

( Fig. 6H )

Ampullaria schrammi Crosse, 1876: 102 .

CURRENT TAXONOMIC STATUS. — Pomella (Surinamia) . Synonym of Bulimus sinamarina Bruguière, 1792 ( Cowie & Thiengo 2003: 78).

TYPE SPECIMEN. — Lectotype (Fischer-Piette 1950: 150, pl. 5, fig. 81) MNHN 4630 .

TYPE LOCALITY. — “in flumine Oyapock, Guyanae Gallicae [Oyapok, St. George, affluent interieur au 1 er saut]” [ French Guiana].

REMARKS

The shell corresponds to the dimensions given in the original description, under the presumption that “Diam. maj. 27” is a mistake and that it should be “37” (since the necessarily smaller “Diam. min.” is given as “35” and 37 matches the actual dimension of this shell). Fischer-Piette (1950: 150, pl. 5, fig. 81) listed and figured a “ holotype ” and in so doing “unambiguously selected a particular syntype to act as the name-bearing type” (ICZN 1999b: art. 74.5), thereby validly, albeit inadvertently, designating a lectotype. The original work did not reveal “that the taxon had been based on more than one specimen ” so the second part of ICZN (1999b) art. 74.5 is not pertinent.

Figures

FIG. 6. — A, Ampullaria physis Hupé,1857,lectotype MNHN 23084, 41.4 mm; B, Ampullaria prunella Hupé,1857,syntype MNHN 4620, 25.7 mm; C, Ampullaria puntaplaya Cousin, 1887, lectotype MNHN 4622, 35.6 mm; D, Ampullaria pygmaea Récluz, 1851, syntype MNHN 4623, 7.0 mm; E, Meladomus pyramidalis Bourguignat,1879,syntype MNHN 4624, 42.5 mm; F, Ampullaria reyrei Cousin,1887, possible syntype MNHN 23087, 60.3 mm; G, Ampullaria scalaris d’Orbigny, 1835, lectotype MNHN 23088, 48.9 mm; H, Ampullaria schrammi Crosse, 1876, lectotype MNHN 4630, 41.7 mm.