urochord

Noun
  1. Primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva (synset 101470879)
    is a type of: chordate - any animal of the phylum Chordata having a notochord or spinal column
    subtypes:
    • ascidian - minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves
    • salp, salpa - minute floating marine tunicate having a transparent body with an opening at each end
    • doliolum - free-swimming oceanic tunicate with a barrel-shaped transparent body
    • larvacean - any member of the class Larvacea
    • appendicularia - free-swimming tadpole-shaped pelagic tunicate resembling larvae of other tunicates
    belongs to: subphylum tunicata, subphylum urochorda, subphylum urochordata, tunicata, urochorda, urochordata - tunicates
    same as: tunicate, urochordate
  2. A notochord of a larval tunicate typically confined to the caudal region (synset 101469342)
    is a type of: notochord - a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates

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