Ophiomusium microporum H. L. Clark, 1941

Baker, Alan N., 2016, An illustrated catalogue of type specimens of the bathyal brittlestar genera Ophiomusium Lyman and Ophiosphalma H. L. Clark (Echinodermata: Ophiuroidea), Zootaxa 4097 (1), pp. 1-40 : 16

Ophiomusium microporum H. L. Clark, 1941 .

Figures 22 a, b, c

Holotype MCZ 6236, Atlantis station 3384, Old Bahama Channel, Cuba, 530m

Main Features: Disc tumid with a few large scales. Radial shields are wide and separated only proximally. They slope up markedly towards the disc centre. Large marginal interradial plate, notched along edge. Oral shield and interradial plate dominate ventral interradius.

Genital slits extend to the end of the first ventral arm plate. Two pairs of exposed tentacle pores, one scale. Six ventral arm plates, the first two of which are large. Four long arm spines basally, upper 2 separated from lower 2. Underside of arm flat. Arms finely tuberculate.

Figures

FIGURE 22. Ophiomusium microporum MCZ 6236: a, b, dorsal and ventral disc sectors; c, basal arm segments. FIGURE 23. Ophiomusium mirandum MUC OPH- 501: a, b, dorsal and ventral disc sectors.