Fig. 5
From: Crinoids from the Middle Jurassic (Bajocian–Lower Callovian) of Ardèche, France
Isocrinus dumortieri de Loriol, Lower Bathonian, La Pouza. a Pluricolumnal of three elements, a1 upper facet, a2 lateral with continuous crest on upper columnal, M10900. b Facet of internodal, collar with strong lateral extensions, M10935. c Facet of internodal with jagged collar, M10987. d Facet of higher small internodal with collar broken into knobs, M10957. e Proximal (upper) facet of small nodal, M10933. f Facet of small low internodal with partly interrupted collar, M 10934. g Facet of juvenile, high internodal, M10938. h Proximal (upper) facet of nodal, M 10937. i Infranodal, i1 proximal (upper) facet, i2 distal (lower) facet, M10984. j Large internodal with continuous collar, M10936. Scale bars 1 mm