Ophiocopa Lyman, 1883

Stöhr, Sabine, 2024, Taxonomic analysis of the genital plates and associated structures in Ophiuroidea (Echinodermata), European Journal of Taxonomy 933, pp. 1-98 : 42

Genus Ophiocopa Lyman, 1883

Fig. 19A–E

Type species

Ophiocopa spatula Lyman, 1883 .

Examined species

Ophiocopa spatula .

Oral GP

Not examined in detail, but in situ appears like large round scale, pair widely separated at the oral shield.

Adradial GP

Bar-like, with thin rod and widened distal end with lateral processes and finer meshed patch, single condyle and groove.

Abradial GP

Thin, curved scale, abradially convex, straight articular distal edge. As long as adGP. Conspicuous pores in distal part of adradial surface.

Oral shields

Madreporite inner side with median transverse ridge/two spurs, split in two halves by central opening.

Radial shield

Articular structure a smooth patch, slightly depressed. In centre of distal half, a finer meshed patch.

Figures

Fig. 19. Ophiotomidae Paterson, 1985, SEM. A–E. Ophiocopa spatula Lyman, 1883. A. Radial shield, inner aspect. B. adGP, abradial aspect. C. adGP, adradial aspect. D. Madreporite, inner aspect. E. abGP, abradial aspect. F–I. Ophiotreta valenciennesi (Lyman, 1878). F. Radial shield, inner aspect. G. adGP, abradial aspect. H. adGP, abradial aspect. I. abGP. Scale bars: A–E= 0.5 mm; F–I =1 mm.