Data from: Testing for homologies in the axial skeleton of primitive echinoderms

负责人：

关键词：

peri-oral plates;Eocrinoidea;Blastozoa;Blastoidea;Diploporita;Lower Palaeozoic;Rhombifera;circum-oral plates;Paracrinoidea;ARMS;universal element homology model;Palaeocystitida;Coronata;pinnules;Extraxial-axial theory;paedomorphic ambulacral reduction model;Edrioblastoidea;Echinoidea;brachioles;Parablastoidea;Ambulacral patterns;ocular plate rule

DOI：

doi:10.5061/dryad.n2d7d

摘要：

plating occur; with a single radial (circum-oral, CO) plate from each ambulacrum plus a sixth in the CD interray, and with all six interradial peri-oral (PO