Definition of Siphonobranchiata
in former classifications
:a group of gastropods having the margin of the mantle produced into a siphon
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Siphonobranchiata
plural noun
Si·pho·no·branchiata
\
¦sīfə(ˌ)nō+
\
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Origin and Etymology of siphonobranchiata
New Latin, from siphon- + branchiata
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