the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [adjective] > belonging to class Nemertea > belonging to division Palaeonemertea (2)
Of or relating to the order Palaeonemertea (class Anopla) of ribbon worms.
= palaeonemertean, adj. Obsolete. rare.