Cephalaspidomorphi

Translingual Etymology mul la-new -, from mul grc κεφαλή head + stem of grc ἀσπίς shield mul morphi Proper noun † class subphylum Vertebrata jawless fish, all of which are extinct in most current classifications Usage notes In much of the 20th century this class included lampreys (Petromyzontidae family). Hypernyms class ; Chordata Craniata clade - clade; Vertebrata subphylum - subphylum; Hyperoartia clade - clade Hyponyms class †Atelaspidiformes order, †Birkeniiformes order, †Cephalaspidiformes order, †Galeaspidiformes order, †Pituriaspidiformes order, †Tremataspidiformes order - orders See also †Anaspida order †Galeaspida order †Osteostraci order †Pituriaspida order References