Fig. 7
From: Actinometra blakei Hartlaub, 1912: resurrected and re-assigned
Hanshessaster blakei (Hartlaub 1912), USNM 1490791, scanning electron micrographs of pinnulars. a, b Comb-tooth-bearing pinnulars of detached distal portion of proximal pinnule. a Side view. b View of articular facet. c–d Middle pinnular of middle pinnule of detached arm fragment. c View of proximal articular facet; ambulacral surface at top. d Oblique view of same, ambulacral surface facing down; proximal facet at right. Scale bars: 100 μm