Taxonomic review of Ophiothrix Müller & Troschel, 1840 (Echinodermata Ophiuroidea) from Brazil, with the description of four new species
Author
Santana, Alisson
Author
Manso, Cynthia L. C.
Laboratório de Invertebrados Marinhos, Departamento de Biociências, Universidade Federal de Sergipe (UFS), Itabaiana, SE, 49500 - 000, Brazil. cynthialaramanso @ gmail. com; https: // orcid. org / 0000 - 0002 - 7382 - 3484
Author
Almeida, Ana C. S.
Author
Alves, Orane F. S.
text
Zootaxa
2020
2020-07-01
4808
1
51
78
journal article
10.11646/zootaxa.4808.1.3
1175-5326
3927901
242EEAFF-0966-48A2-9D13-7FF52DDE61A5
Key to
Ophiothrix
species from
Brazil
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