species: Macrophiothrix lorioli in Lizard Island Field Guide (Lizard Island Field Guide)
Macrophiothrix lorioli

©Anne Hoggett: Disc and arm bases of Macrophiothrix lorioli at North Direction Island

©Anne Hoggett: Macrophiothrix lorioli found on sand under rubble at North Direction Island. Disc diameter is about 20 mm, arms at least 300 mm long.

©Anne Hoggett: Close-up of Macrophiothrix lorioli disc and arm bases. From North Direction Island on sand under rubble.
Kingdom Animalia
Phylum Echinodermata
Class Ophiuroidea
Order Ophiurida
Family Ophiotrichidae
Genus Macrophiothrix
Species Macrophiothrix lorioli



Distinguishing features

Distinguishing features still need to be specified.


  • From 0.3 cm to 2.6 cm (Disc diameter)
  • Up to 35 cm (Arm length of large specimen)

Depth range

  • Depth range data is not yet available.



©Atlas of Living Australia: Australian distribution

Web resources


References that assist with identification

  • Hoggett, A.K. (1990). Taxonomy and systematic position of the brittlestar genus Macrophiothrix H.L. Clark (Echinodermata: Ophiuroidea). PhD thesis, University of Queensland. LIRS catalog number 680.
  • Hoggett, A.K. (1991). The genus Macrophiothrix (Ophiuroidea: Ophiotrichidae) in Australian waters, Invertebrate Taxonomy, 4: 1077-1146. LIRS catalog number 293.

Other references

  • Allen, J.D. (2005). Life-history evolution and the costs of small egg size in echinoderms, Ph.D. thesis, University of North Carolina at Chapel Hill. LIRS catalog number 940.
  • View all references