Fig. 9From: Crinoids from the Middle Jurassic (Bajocian–Lower Callovian) of Ardèche, FranceSecundibrachials with syzygies and cryptosyzygies of Isocrinida, Lower Bathonian, La Pouza. a Cryptosyzygy, M10878. b Proximal facet of epizygal (other facet is muscular with pinnule socket), M10885. c Epizygal, c1 proximal facet, c2 distal facet with pinnule socket (arrow), M10991. d Epizygal, d1 proximal facet, d2 distal facet with pinnule socket (arrow), M10883. e Cryptosyzygy (other facet is muscular without pinnule socket), M 10892. Scale bars 1 mmBack to article page