FIGURE 7. Non-axillary secundibrachials of Pseudoconocrinus doncieuxi from the Tuilerie de Fontcouverte (MNHN. F.A81995). A–C: IIBr1 of a large individual, A: proximal muscular synarthry, B–C: distal synostosis, B: oblique external view, C: oblique inner view; D: IIBr3, distal synostosis, oblique external view, arrow indicating inner axial gutter; E–F: IIBr, distal face with rudimentary axial ligament synarthry, E: oblique lateral view; G–I: IIBr1 of medium-sized individual, G: oblique lateral-distal view, H: oblique lateral-proximal view, I: detail of ornamentation of external surface; J–N: proximal IIBr without pinnular insertion, J: external oblique view of pair of IIBr joined by synostosis indicated by arrow heads, K–N: brachials of dissociated pairs, K: oblique view of muscular synarthrial facet, L–M: oblique views of synostosial facet, N: lateral view; O–Q: IIBr with pinnular insertion, O: episynostosial IIBr, P–Q: free Br with two muscular synarthrial facets, Q: detail of pinnular insertion; R: proximal muscular synarthrial facet of hyposynostosial IIBr. Scale bar equals 0.5 mm, except in I, J and Q, where it equals 0.25 mm.