Siphonata

plural noun
Si·​pho·​na·​ta | \ ˌsīfəˈnätə, -nātə\

Definition of Siphonata

in some classifications
: a division formerly ranked as a suborder of bivalve mollusks including all having siphons

History and Etymology for Siphonata

New Latin, from siphon- + -ata

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