Pseudamnicola Paulucci, 1878

Delicado, Diana, Machordom, Annie & Ramos, Marian A., 2011, Underestimated diversity of hydrobiid snails. The case of Pseudamnicola (Corrosella) (Mollusca: Caenogastropoda: Hydrobiidae), Journal of Natural History (J. Nat. Hist.) 46 (1 - 2), pp. 25-89 : 30

Pseudamnicola Paulucci, 1878

Type species

Bithynia lucensis Issel, 1866 ( Kennard and Woodward, 1926), subsequent designation.

Etymology

The name Pseudamnicola was used to distinguish the European species formerly included in Amnicola ( Paulucci, 1878) .

Diagnosis (new diagnosis)

Shell ovate-conic, with an inflated body whorl about three-quarters of shell length and aperture complete and oval; operculum corneous, yellowish, thin, pliable, ellipsoidal, paucispiral with submarginal nucleus; ctenidium well-developed; osphradium elliptical of intermediate width; radula with central tooth having one basal cusp on each lateral margin and a basal tongue broadly V-shaped; stomach with two chambers and a thin caecum lying on ventral side of posterior chamber; one digestive gland opening in posterior chamber; renal oviduct pigmented; only one seminal receptacle arising from renal oviduct close to insertion of bursa copulatrix duct; bursa copulatrix welldeveloped protruding behind pallial oviduct; prostate gland bean-shaped and penis simple with a distal patch of pigmentation, variable in size; nervous system pigmented with supraoesophageal connective longer than suboesophageal.