Lanistes ellipticus (v. Martens, 1866)
Species note: Lanistes ellipticus resembles Lanistes solidus.
Both species inhabit Lake Malawi, although at different habitats: Lanistes
solidus resides at the edge of the lake, whereas Lanistes ellipticus
is more abundant in the marshes surrounding the lake. Also, Lanistes solidus
is endemic to Lake Malawi, while Lanistes ellipticus can be found at
many places in Central and Southern Africa. Nevertheless, Lanistes solidus
could be considered a heavier, lacustrine (lake specific) form of Lanistes
Operculum: The operculum is corneous. The structure is concentric with the nucleus near the centre of the shell.
Body: Brown foot with small light speckles equally distributed over the sole and whole visible body.
Eggs: The aquatic eggs are encapsulated in a gelatinous mass and deposited on the vegetation.
Habitat: Lanistes ellipticus can be found in marshes, pools, small lakes of Central an Southern Africa.
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