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Webster 1913 Edition

Siphonobranchiata

‖

Siˊpho-no-branˊchi-a′ta

,
Noun.
pl.
[NL. See
Siphon
, and
Branchia
.]
(Zool.)
A tribe of gastropods having the mantle border, on one or both sides, prolonged in the form of a spout through which water enters the gill cavity. The shell itself is not always siphonostomatous in this group.

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