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Thecosomata
plural noun
The·co·so·ma·ta
\ˌthēkəˈsōmətə\
Definition of Thecosomata
in some classifications
: a division of Pteropoda comprising pteropods with a shell — compare gymnosomata
thecosomatous
\-təs\ adjectiveRead the Latest from M-W
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Origin and Etymology of thecosomata
New Latin, from thec- + -somata
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