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Webster 1913 Edition

Tethyodea

‖

Teˊthy-o′de-a

,

Noun.

pl.

[NL., fr.

Tethys

+ Gr.

εἶδοσ

form.]

(Zool.)

A division of Tunicata including the common attached ascidians, both simple and compound. Called also

Tethioidea

.