, Volume 58, Issue 1, pp 89-92

First online:

Embryology and development of a freshwater prosobranch, Melania scabra

  • E. V. MuleyAffiliated withDepartment of Zoology, Marathwada University

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Embryology and development of the snail, Melania scabra was studied. The embryos complete their development in a special incubatory pouch called the broodpouch and hatch out in a form completely resembling that of the adult. The embryonic development of the snail represents specialized features like precocious development of the statocyst, presence of a well developed velar retractor muscle and torsion.


brood-pouch statocyst velar retractor muscle torsion trachophore veliger