Ophiothrix (Acanthophiothrix) purpurea   von Martens,  1867 (Brittle Star)
Organism information awaits expert curation
Class: Ophiuroidea

Size: Diameter of the disc (d.d.) = 3.5 – 6.5 mm.

Disc indented interradially, disc spines long and thorny, central disc scales naked in the smallest specimen. Radial shields large, widest at the middle or near the proximal end, bare without any stumps. Dorsal arm plates longer than broad, proximally truncated with convex distal margin and a dark median longitudinal line. Ventral arm plates longer than broad, distal margin convex on a few proximal segments, soon becoming concave. Oral shields much wider than long with a small pointed tip in the middle of the proximal margin. Adoral shields longer than broad, set horizontally, meeting in front of the oral shields. Oral plates with only terminal infradental papillae, no lateral papillae. Arm spines proximally five, very long, thorny and pointed.

Synonym (s)
Placophiothrix purpurea (von Martens, 1867)
Ophiothrix (Acanthophiothrix) purpurea Clark and Rowe, 1971
Ophiothrix fallax de Loriol, 1893
Ophiothrix lorioli Doderlein, 1896
Ophiothrix purpurea von Martens, 1867

Common Name (s)
Economic Importance and Threats



• Lakshadweep, off Kilttan Island INDIA (Depth: 51 - 91 mts)

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Sastry, DRK (1991) Echinodermata: Asteroidea, Ophiuroidea and Echinoidea State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 363-397 Available at - NIO, Goa
  • Sastry, DRK (2007) Echinodermata of India : An annotated list Records of Zoological Survey of India Occassional paper No. 271 ZSI, Kolkata 1-387 Available at - http://zsi.gov.in/checklist/Echinodermata_India_Checklist.pdf

Page last updated on:2011-04-13

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