• Definition for "cyclostomata"
    • A division of Bryozoa, when the cells have…
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  • Hypernym for "cyclostomata"
  • Equivalent for "cyclostomata"

cyclostomata definition

  • noun-plural:
    • A division of Bryozoa, when the cells have circular apertures.
    • A division of Bryozoa, in which the cells have circular apertures.
  • others:
    • A division of gymnolæmatous polyzoans having tubular cells, partially free or entirely connate, a terminal orifice with a movable lip, and no avicularia nor vibracula: opposed to Chilostomata and Ctenostomata. Its subdivided into Articulata or Radicata (family members Crisiidœ), and Inarticulata or Inculatata, containing the remainder households.
    • In Günther's system of classification, a subclass of fishes having the following technical figures: the skeleton cartilaginous and notochordal, without ribs and without genuine jaws; skull not individual from the vertebral column; no limbs; gills in the form of fixed sacs without branchial arches, 6 or 7 in quantity on each part; one nasal aperture just; lips circular or sucker-like; and heart without bulbus arteriosus. Also known as Cyclostomi, Cyclostomia, Marsipobranchii, and Monorhina.
    • A division of gymnolæmatous polyzoans having tubular cells, partially free or entirely connate, a terminal opening with a movable lip, and no avicularia nor vibracula: opposed to Chilostomata and Ctenostomata. It is subdivided into Articulata or Radicata (family Crisiidœ), and Inarticulata or Inculatata, containing the rest of the families.
    • In Günther's system of classification, a subclass of fishes obtaining the following technical characters: the skeleton cartilaginous and notochordal, without ribs and without real jaws; head maybe not split from the vertebral column; no limbs; gills in the shape of fixed sacs without branchial arches, 6 or 7 in number for each part; one nasal aperture just; lips circular or sucker-like; and heart without bulbus arteriosus. Also known as Cyclostomi, Cyclostomia, Marsipobranchii, and Monorhina.
  • noun:
    • ancient jawless aquatic vertebrate: lampreys; hagfishes
    • ancient jawless aquatic vertebrate: lampreys; hagfishes
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