Rhynchocephalia (ring kosefalia)

pl. ρύγχος, snout, + κεφαλή, head.] An 5160 The Century Dictionary and Cyclopedia plates supporting two slender curved lamellæ, and the dental plates diverging. Six living species and a number of fo il ones represent the genus, which was founded by Fischer-Waldheim in 1809. R. psittacea is a common North Atlantic species. See also cut under brachial. [NL., A group