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has a breathing siphon , although much shorter than in the pomacea species. pomacea canaliculata , in the back pomacea diffusa . pomacea canaliculata , yellow variant. marisa cornuarietis ....
relatively heavy (especially in older snails). the to whorls are separated by a indented suture, however less pronounced than in pomacea canaliculata. the shell opening (aperture) is large and oval to round. the size of these snails varies from to mm wide and to mm high depending on the conditions....
or carapace is generally black to greenish. yellow stripes on the head, neck, tail, and legs, as well as red markings around the edges of the plastron (belly) and under the rim of the carapace. males distinguished from females by long, slender claws on forefeet. habitat map not available. status: british...
snails could be classified in a seperate genus: turbinicola (annandale & prashad, ) or that it's more justified to create a sub-genus pila (turbinicola). the type species is turbinicola saxea (annandale & prashad, ). older pila snails have a calcified inside of the operculum (shell door). this is characteristic...
(picture not licenced under creative commons) pomacea paludosa . (picture not licenced under creative commons) pomacea paludosa . (picture not licenced under creative commons) fossil shell of pomacea paludosa , from the bermont formation (florida, middle pleistocene: - years ago)....
(picture not licenced under creative commons) shell : the relative robust shell of asolene pulchella has a pointed top and the aperture (shell opening) is oval in shape, in which the corneous operculum can be retracted. the sutures are relatively flat and the umbilicus is of medium size. the shell surface...
, they are all soft on the inside. they are one of the largest animal groups with about species worldwide which make up about a quarter of all marine animals. in australia there about species. molluscs are found in marine, freshwater and land habitats. there are great differences in the size, structure...
(picture not licenced under creative commons) a pila virens snail from sri lanka, summer . var. layardi (reeve) (picture not licenced under creative commons) asolene (asolene) sp . photographed in an aquarium....
(picture not licenced under creative commons) yellow pomacea canaliculata shell and operculum. aquarium trade. mm high. lanistes ovum . (picture not licenced under creative commons) pila ampullacea . philippines....