Definitions
Century Dictionary and Cyclopedia
- An order of worm-like organisms formed by Metchnikoff for the reception of Ichthyidium, a genus by some referred to the Rotifera: so called from the ciliated ventral surface. See Echinoderes, Chætonotus. The group is still very imperfectly known. By some it is made a class of animals and placed between Rotifera and Nematoidea. Also
Gasterotricha .
Wiktionary
- n. A taxonomic phylum within the superphylum Protostomia — the gastrotrichs.
GNU Webster's 1913
- n. (Zoöl.) A group of small wormlike animals, having cilia on the ventral side. The group is regarded as an ancestral or synthetic one, related to rotifers and annelids.
Examples
“Vermalia, at first Gastrotricha (Ichthydina), afterwards Frontonia”
“(Gastrotricha), little marine and fresh-water worms, about 1/250 to”
“Further, the cilia that cover the whole surface of the Turbellaria are confined in the Gastrotricha to two ciliated bands (f) on the ventral surface of the oval body, the dorsal surface having bristles.”
“(Cryptocoela) and Vermalia (Gastrotricha) the acroganglion remains in the epidermis.”
“Later it resembles the gut of the earliest Vermalia (Gastrotricha).”
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