Ophiomusium trychnum H. L. Clark 1911

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 : 24

publication ID	https://doi.org/ 10.11646/zootaxa.4097.1.1
publication LSID	lsid:zoobank.org:pub:CD767562-3A19-4F4C-914D-80C50AD0D250
DOI	https://doi.org/10.5281/zenodo.6056492
persistent identifier	https://treatment.plazi.org/id/03C57E0C-A76B-ED33-B0CD-FEF8FE1BA7A8
treatment provided by	Plazi
scientific name	Ophiomusium trychnum H. L. Clark 1911
status

Treatment

Ophiomusium trychnum H. L. Clark 1911 .

Figures 37 a, b, c

Ophiomusium trychnum H. L. Clark, 1911 ; Irimura, 1982.

Holotype USNM E25646 View Materials Albatross station 5069 off Ose Saki, Suruga Gulf, Japan, 198– 240m. 47 paratypes USNM, all from Albatross stations in 1906, off Japan.

Main Features: Heavy tumid disc, plates mostly raised and spherical. Large radial shields, totally separated. Dorsal and ventral arm plates throughout arm. Oral shields small, up to 10 plates between them and disc margin. Six arm spines, 3 grouped low. Two pairs of exposed tentacle pores. Genital slits run from adoral plate to end of second lateral arm plate.