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Lab09.Mollusca3

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CLASSIFICAZIONE<br />

Phylum MOLLUSCA<br />

Classe Cephalopoda<br />

1)TETRABRANCHIATI (O ECTOCOCLIA)<br />

2 PAIA DI BRANCHIE e CONCHIGLIA<br />

ESTERNA<br />

(D’interesse paleontologico: Nautiloidei s.l. e<br />

Ammonoidi s.s.)<br />

2)DIBRANCHIATI (O ENDOCOCLIA)<br />

1 PAIO DI BRANCHIE e CONCHIGLIA<br />

INTERNA o ASSENTE<br />

(D’interesse paleontologico: Belemniti)<br />

SOTTOCLASSE NAUTILOIDEA<br />

SOTTOCLASSE AMMONOIDEA<br />

SOTTOCLASSE COLOIDEA

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