
(from the article `aschelminth`) ...GordioideaFreshwater or terrestrial; single ventral hypodermal cord; cell-filled body cavity.Order NectonematoideaMarine; dorsal and ventral ...
Found on
http://www.britannica.com/eb/a-z/n/21

Nectonematoidea Consisting of marine hairworms with a parasitic stage in various crustaceans, a double row of natatory bristles (used in swimming), and an expansive pseudocoel (body cavity which is not a normal stomach).
Found on
http://www.wordinfo.info/words/index/info/view_unit/1379/
No exact match found.