Bible Dictionaries
Tethyodea

Webster's Dictionary

(n. pl.) A division of Tunicata including the common attached ascidians, both simple and compound. Called also Tethioidea.

Bibliography Information
Webster, Noah. Entry for 'Tethyodea'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/tethyodea.html. 1828.