Taxonomic review of Ophiothrix Müller & Troschel, 1840 (Echinodermata Ophiuroidea) from Brazil, with the description of four new species
Santana, Alisson
Manso, Cynthia L. C.
Almeida, Ana C. S.
Alves, Orane F. S.
Zootaxa
2020
2020-07-01
4808
1
51
78
Muller & Troschel
1840
[241,375,1576,1603]
Ophiuroidea
Ophiotrichidae
Ophiothrix
Animalia
Ophiurida
20
71
Echinodermata
genus
1a Radial shields covered by spines......................................................................... 2 1b Radial shields naked.................................................................................. 5 2a First dorsal arm plate with small spines...................................................... O. tommasii n. sp. 2b Dorsal arm plates without spines......................................................................... 3 3a Interradial dorsal disc covered by long spines.............................................. O. spiniformis n. sp. 3b Interradial dorsal disc covered by short spines.............................................................. 4 4a Dorsal arm plates triangular, with a medial ridge.................................................. O. trindadensis 4b Dorsal arm plates lozenge, without a medial ridge........................................... O. brasiliensis n. sp. 5a Disc covered with long needle-shapped spines..................................................... O. suensoni 5b Disc covered with short spines.......................................................................... 6 6a Interradial dorsal disc covered by long conical spines.......................................... O. troscheli n. sp. 6b Interradial dorsal disc covered by short bifid and trifid spines......................................... O. rathbuni