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ascidioidea |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: {Vertebrata}, including Mammalia or Mammals, Aves or Birds, Reptilia, Amphibia, Pisces or Fishes, Marsipobranchiata (Craniota); and Leptocardia (Acrania). {Tunicata}, including the {Thaliacea}, and {Ascidioidea} or Ascidians. {Articulata} or {Annulosa}, including Insecta, Myriapoda, Malacapoda, Arachnida, Pycnogonida, Merostomata, Crustacea (Arthropoda); and Annelida, Gehyrea (Anarthropoda). From Webster's Revised Unabridged Dictionary (1913) [web1913]: Ascidioidea \As*cid`i*oid"e*a\, n. pl [NL., fr ascidium + -oid. See {Ascidium}.] (Zo["o]l.) A group of Tunicata, often shaped like a two-necked bottle. The group includes, social, and compound species. The gill is a netlike structure within the oral aperture. The integument is usually leathery in texture. See Illustration in Appendix.