Tethyodea
Pronunciation : Te`thy*o"de*a
Part of Speech : n.
Etymology : [NL., fr. Tethys + Gr. (Zo?l.)
Definition : Defn: A division of Tunicata including the common attached ascidians, both simple and compound. Called also Tethioidea.
pl.
Source : Webster's Unabridged Dictionary, 1913