Ophiarachnella infernalis
©Anne: Ophiarachnella infernalis at Lizard Island.
©Anne: Underside of Ophiarachnella infernalis at Lizard Island.
©Anne: Upper side of Ophiarachnella infernalis at Lizard Island.
Kingdom
Animalia
Phylum
Echinodermata
Class
Ophiuroidea
Order
Ophiurida
Family
Ophiodermatidae
Genus
Ophiarachnella
Species
Ophiarachnella infernalis
Distinguishing features
A small grey/green brittlestar with banded arms, always concealed under rubble. Arms spines are very short and apressed to the arms. The following characteristics cannot be seen in the field. On underside, the oral shields are large and without granules, and each has a supplementary oral shield distal to it. On upper side, the disc is mostly covered with granules. There are five bare plates near the base of each arm plus at least one other between adjacent arms.
Size
- Up to 12 cm (Length of specimen) - applies to Diameter including arms
Depth range
- Depth range data is not yet available.
Synonyms
Distribution
©Atlas of Living Australia: Australian distribution
Web resources
References
- Clark, A.M. and F.W.E. Rowe (1971). Monograph of shallow-water Indo-west Pacific echinoderms British Museum (Natural History), London.
- Rowe, F.W.E. and J. Gates (1995). Echinodermata in: Zoological Catalogue of Australia. Vol. 33, xiii, 510 pp. Wells, A. (Ed.). CSIRO, Melbourne, Australia.