Fig. 8

Diagram of mouth cone, introvert and placids showing distribution of oral styles and scalids in Echinoderes riceae n. sp. “Double diamonds” are marked in the table with double lines, and quincunxes are marked with dotted lines. ls leaf-like scalid, oos outer oral style, psp primary spinoscalid, S1-10 sectors, sps spinoscalid, tr trichoscalid