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Phylum Mollusca Research Paper

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PHYLUM: MOLLUSCA
(MOLLUSCUS= SOFT
BODIES)
Kingdom: Animalia
Second largest phylum.
Unio contains a digestive gland called green gland, which is comparable to liver
of vertebrates.
Cephalopod have 8 arms and without shell.
Heart is myogenic.
Ink gland are present in cephalopod that are concerned with protechtion.
Study of mollusca is called Malacology
The term Mollusca was first applied by Aristotle to cuttle fish
Lamarck coined the term Molluscus
Study of molluscan shell is called conchology.
GENERAL CHARACTERS:
The animals of this phylum are soft- bodied, non-metameric, triploblastic,
coelomates and fundamentally bilaterally symmetrical invertebrates with a thin

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