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Gastropoda

Published on Nov 22, 2015

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PRESENTATION OUTLINE

1.

PHYLUM MOLLUSCA

CLASS GASTROPODA
2.

PHYLUM MOLLUSCA

  • Invertebrate
  • Cl Cephalopoda - squid, octopus, and cuttlefish
  • Cl Bivalvia- compressed bodies with hinged shells
  • Cl Gastropoda- snails and slugs
3.

GASTROPODA

THE NUMBER OF NAMED SPECIES SECOND ONLY TO INSECTS
Photo by Martin LaBar
4.

GASTROPODA

NAME MEANS "STOMACH FOOT"
Photo by Leo Reynolds
5.

DESCRIPTION: GASTROPODA

  • Soft body
  • Mantle- secretes the shell
  • Visceral mass- digestive, circulatory, excretory
  • Head-foot- sensory and locomotion
6.

GASTROPODA

RADULA- A RIBBON IN THE MOUTH COVERED WITH MANY "TEETH"
7.

RADULA AGAIN

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David Morris

labiologymorris.wikispaces.com