FIGURE 11 in New Eocene species of the crinoid genera Holopus and Cyathidium (Cyrtocrinida: Holopodidae) from north-eastern Italy

FIGURE 11. Secundibrachials of Holopus fabianii sp. nov. from Chiampo belonging to proximal series (MGP-PD 33236); A–E: IIBr from proximal part of proximal series, A: symmetrical muscular synarthry from a small specimen (paratype 20), B: asymmetrical muscular synarthry (paratype 21), C–D: proximal-most IIBr of a large specimen (paratype 22), C: oblique distal view, D: external face, E: IIBr of a bivium (paratype 23), F–H: keystone plate, distalmost IIBr of proximal series (paratype 24), F: oblique view of distal muscular synarthry, G: oblique view showing triangular external face and proximal muscular synarthry at left, H: proximal muscular synarthry. Scale bars: 1 mm.