from the GNU version of the Collaborative International Dictionary of English
- n.pl. A group of nemerteans comprising those having a deep slit along each side of the head. See Illust. in Appendix.
from The Century Dictionary and Cyclopedia
- n. Hubrecht's name (1879) of a division of nemertean worms, correlated with Hoplonemertea and Palæonemertea, containing the sealongworms which have the head fissured, the mouth behind the ganglia, and no stylets in the proboscis, as Lineus, Cerebratulus, Langia, and Borlasia.
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