Tethyodea

Definitions

  • Webster's Revised Unabridged Dictionary
    • n. pl Tethyodea (Zoöl) A division of Tunicata including the common attached ascidians, both simple and compound. Called also Tethioidea.
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Etymology

Webster's Revised Unabridged Dictionary
NL., fr. Tethys, + Gr. e'i^dos form