Arrowhead Sawtoothed Feather Star (species: Oligometra serripinna) in taxonomy (Gaia Guide)
Animalia > Echinodermata > Crinozoa > Crinoidea > Articulata > Comatulida > Colobometridae > Oligometra > Oligometra serripinna (gallery)
Oligometra serripinna
Arrowhead Sawtoothed Feather Star


©Lyle Vail and Anne Hoggett: The two smaller pale crinoids are Oligometra serripinna. The larger, more delicate crinoid that is partially visible on the right is Phanogenia mulitfidus.

©Lyle Vail and Anne Hoggett: Oligometra serripinna at the Cobia Hole

©Lyle Vail and Anne Hoggett: A group of Oligometra serripinna at MacGillivray's Reef

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Kingdom Animalia
Phylum Echinodermata
Class Crinoidea
Order Comatulida
Family Colobometridae
Genus Oligometra
Species Oligometra serripinna
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Colours

                   

Distinguishing features

A flexible crinoid with only ten arms, usually quite small (arm length 30 to 60 mm) but sometimes larger (up to 140 mm). A good ring of cirri. Mottled or banded colour pattern with brown, cream and/or pale yellow.

Size

  • Size data has not been obtained.

Depth range

  • Depth range data is not yet available.

Synonyms

Distribution


©Atlas of Living Australia: Australian distribution

Distribution and habitat preferences

Exposed day and night, clinging to gorgonians and other narrow objects.

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.
  • Holland, N.D., A.B. Leonard and D.L. Meyer (2001). Digestive mechanics and gluttonous feeding in the feather star Oligometra serripinna (Echinodermata: Crinoidea), Marine Biology, 111: 113-119. LIRS catalog number 306.
  • Holland, N.D., A.B. Leonard and J.R. Strickler (1987). Upstream and downstream capture during suspension feeding by Oligometra serripinna (Echinodermata: Crinoidea) under surge conditions, Biological Bulletin, 173: 552-556. LIRS catalog number 227.
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