Dermal rays of the pectoral fin of E. foordi. Left pectoral fin of CMNH 8153 in (A) dorsal and (B) ventral perspectives. (C) Radius of the right pectoral fin of CMNH 8153 in dorsal and ventral perspectives. (D) Distal and anterior portion of the right pectoral fin of CMNH 10926 in dorsal and ventral perspectives. In all images, dorsal hemitrichia are shown in yellow–orange, and ventral hemitrichia are cyan. ir, intermedium; m3, third mesomere; r, radius; r3, third radial; r4, fourth radial; u, ulna; ul, ulnare.