Fig. 2

Balanocrinus pentagonalis (Goldfuss), Early Oxfordian, Les Rouges-Terres. a Distal facet of wide proximal secundibrachial, other facet muscular; M11323. b Distal facet of secundibrachial from proximal part of arm, other facet muscular; M11324. c Distal facet of secundibrachial from median part of arm with short nipple, other side muscular. M11325. d Distal, synostosial facet of secundibrachial with nipple, other facet muscular without pinnule socket; M11326. e Proximal, symmmorphial facet of secundibrachial with small nipple, other side muscular with pinnule socket; M11327. f Distal, synostosial facet of symmetric first primibrachial, M11328. g Distal, synostosial facet of asymmetric first primibrachial, M11329. h Aboral side of second primibrachial with crest, M11330. i Aboral view of two secundibrachials with crest joined by synostosis, facet of upper brachial muscular with pinnule socket; M11332. j Aboral view of two slightly displaced secundibrachials with crest, all facets muscular; M11331. k Aboral-lateral view of radial with attached first primibrachial, articulation with neighbouring ossicles synostosial; M11334. l Aboral view of radial with forked crest, M11335. m Adoral view of fused first and second primibrachials, second primibrachial not axillary, pinnule socket on the non-axillary second primibrachial at upper left, articulation with neighbouring ossicles at right by flat synostosis with weak ridges; M11337. n Aboral view of radial with strong, forked crest, muscle fossae at right angle to aboral side and poorly visible, M11336. o Lateral view of nodal with supranodal, M11333. p Angular pluricolumnals with nodal, M11412, p1 lateral, p2 upper facet. q Angular pluricolumnal of internodals, M11413, q1 lateral, note radial pores, q2 upper facet. r Angular, knobby pluricolunmnal with nodal, M11414, r1 lateral, r2 upper facet