Fig. 4From: A new species of Stegophiura (Ophiuroidea, Ophiopyrgidae) from the mid-Cretaceous of southern JapanRecent Stegophiura sterea, NSMT E-9136. a, b Dorsal view. c ventral view. d–f Lateral view. a–c and d–f are same specimens, respectively. a Whole view. b, c Disc and basal arm portions. d, e Basal arm segments. f Lateral arm plate (median portion) by SEM (see Fig. 2 for abbreviations). Scale bars of a–e and f equal 1 mm and 0.1 mm, respectivelyBack to article page