Mesogastropoda | gastropod suborder | Britannica (original) (raw)

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annotated classification

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  In gastropod: Classification
  Suborder Mesogastropoda (Taenioglossa) Radula taenioglossate (with 7 denticles, or teeth) or reduced; most taxa herbivorous; a few families parasites or predators. Superfamily Cyclophoracea Land snails; particularly abundant in the West Indies and southern Asia to Melanesia. Superfamily Viviparacea
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reproduction

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  In gastropod: Reproduction and life cycles
  …is evident in the orders Mesogastropoda and Neogastropoda. The females of these latter forms have the upper portion of the oviduct specialized for secreting nutritive material around the fertilized eggs and the lower portion for encapsulating the egg and nutritive material.
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