Fig. 25

Cyrtocrinus praenutans n. sp., Lower Bathonian, Bed 1, La Pouza. Series of second primibrachials (a–e) and fused first and second primibrachials f–g) to illustrate differences in size, shape, and ornamentation. Ossicles are oriented with distal side upward mounted on adoral side (a–c, e–g) or muscular facets (d). a M11023. b M11015, thin ossicle. c M11016, proximal facet narrow. d M11019, thick adoral extensions. e M11017, narrower, blunted oral extensions. f M11003, moderately high pair of fused first and second primibrachials, muscular facet to radial narrow. g M11004, rather thin pair of fused first and second primibrachials with suture still visible, note pit extending on both aboral facets. Scale bars 1 mm