Ophiura sarsii, Lutken, 1855

Stöhr, Sabine, 2024, Taxonomic analysis of the genital plates and associated structures in Ophiuroidea (Echinodermata), European Journal of Taxonomy 933, pp. 1-98 : 69

Ophiura sarsii :

genital plates are present at a disc diameter of under 1 mm, at 1.12 mm dd the adGP is conical with flat distal end, the abGP is rounded triangular, both are larger and more defined at 1.4 mm dd. In juveniles of about 3 mm dd, both GPs are equal in length.