Found 1 items, similar to Tethioidea.
English → English (gcide) Definition: Tethioidea Tethyodea \Te`thy*o"de*a\, n. pl. [NL., fr. Tethys + Gr. e'i^dos form.] (Zo["o]l.) A division of Tunicata including the common attached ascidians, both simple and compound. Called also Tethioidea. [1913 Webster]