""'Gabbiella humerosa " "'is a species of small freshwater snails with an aquatic prosobranch gastropod mollusks in the family Bithyniidae.
12.
""'Gabbiella stanleyi " "'is a species of small freshwater snails with an aquatic prosobranch gastropod mollusks in the family Bithyniidae.
13.
""'Hydrobioides nassa " "'is a species of a freshwater snail with an aquatic prosobranch gastropod mollusk in the family Bithyniidae.
14.
Its pair of preoral tentacles are considered homologous to those of gastropods; like prosobranch gastropod tentacles, their nerves connect to the cerebral arms, and scaphopods'captacula.
15.
""'Bithynia " "'is a genus of small freshwater snails with an operculum, aquatic prosobranch gastropod mollusks in the family Bithyniidae.
16.
""'Gabbiella " "'is an East African genus of small freshwater snails with an aquatic prosobranch gastropod mollusks in the family Bithyniidae.
17.
Archeogastropoda are marine prosobranch gastropod mollusks, mainly herbivores, typically having two gills and a double-chambered heart, with the eggs and sperm discharged directly into the water.
18.
In 1887, he earned his doctorate in natural sciences with a dissertation involving prosobranch gastropods, " Syst�me nerveux, morphologie g�n�rale et classification des Gast�ropodes prosobranches ".
19.
""'Bithynia pauli " "'is a species of small freshwater snail with a gill and an operculum, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.
20.
""'Bithynia canyamelensis " "'is a species of small freshwater snail with a gill and an operculum, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.
