Fig. 27. Ophiactidae Matsumoto, 1915 in Taxonomic analysis of the genital plates and associated structures in Ophiuroidea (Echinodermata)

Fig. 27. Ophiactidae Matsumoto, 1915, SEM, unless otherwise noted. A. Ophiactis savignyi (Müller & Troschel, 1842), genital plates in situ, micro-CT. B–L. Ophiactis abyssicola (M. Sars, 1861). B. adGP and adGP articulated. C. Radial shield, internal aspect. D–E. adGP, dorsal aspect. F. adGP, ventral aspect. G. abGP, abradial aspect. H. adGP, ventrolateral view (from other, smaller specimen). I. oGP in situ (arrowheads, digital image), oral shield removed. J. Oral shield, internal aspect. K. Madreporite, internal aspect. L. oGP. Scale bars: A, J–L = 0.1 mm; B–I= 0.5 mm.