FIGURE 4. Chitonaster cataphracus USNM 1122200 A. Abactinal surface. USNM 1122198. B. Oral surface. C. Dorsolateral surface showing marginal plate series. D in Taxonomy of high-latitude Goniasteridae (Subantarctic & Antarctic): one new genus, and three new species with an overview and key to taxa

FIGURE 4. Chitonaster cataphracus USNM 1122200 A. Abactinal surface. USNM 1122198. B. Oral surface. C. Dorsolateral surface showing marginal plate series. D. Abactinal plate surface on arm showing irregular marginal plate series. E. Close-up of abactinal plates showing absence of papulae. Scale Bar= 0.5 cm.