Ophioglypha—see Ophiura

Ophiohelus, [481], [491], [494];

O. umbella, skeleton, [493]

Ophiolepididae, [495]

Ophiomusium, [497];

O. pulchellum, [497], [498]

Ophiomyxa, [493], [494];

O. pentagona, [494]

Ophiopholis, [491], [499];

O. aculeata, [499]