Fig. 2 in Morphology and ontogeny of the Cambrian edrioasteroid echinoderm Cambraster cannati from western Gondwana

Fig. 2. Large mature specimen of Cambrian edrioasteroid echinoderm Cambraster cannati (Miquel, 1894). A. Oral view showing peristomial frame plates around central mouth, reconstructed oral and ambulacral cover plates, long straight ambulacra indenting large plates of marginal ring, interambulacral areas with small epispire−bearing plates, and peripheral skirt of tiny plates. B. Aboral view showing fully plated aboral surface composed of smaller−plated peripheral region lacking marginal ring surrounding larger−plated central region.