from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic phylum within the superphylum Protostomia — the gastrotrichs.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. 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.
from The 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.
Sorry, no etymologies found.
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).