Species Stylobates loisetteae Fautin, 1987

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• Stylobates loisetteae Fautin, D.G. 1987. Stylobates loisetteae, a new species of shell-forming sea anemone (Coelenterata: Actiniidae) from Western Australia. Proceedings of the California Academy of Sciences 45(1): 1-7 [1-6].

  Type data:

   Holotype WAM Z875, WA, 145 miles NW of Port Hedland, 506-508 m [18°41’S, 116°45-47’E].
  Paratype(s) WAM Z876, WA, Rowley Shoals, SW of Imperieuse Reef [18°06’S, 118°45-10’E]; AM G15227, WA, Rowley Shoals.

Distribution

States

Western Australia

IBRA and IMCRA regions

IMCRA

Timor Province (2), Northwest Shelf Transition (26), Northwest Shelf Province (27), Northwest Transition (3)

Ecological Descriptors

Deep water, marine (host(s): Hermit crab).

Diagnosis

Column smooth, light pink or yellow. Length on shortest side 15-30 mm, longest side 25-65 mm. oral disc flat, to 55 mm diameter. Fosse shallow. Actinopharynx shallowly ribbed, with two siphonoglyphs. Endodermal sphincter well-developed, circumscribed, with mesogloeal shaft (thick in most) from which arise pinnately arrayed lamellae that may tend to a reticular pattern; ovoid to deltoid in cross section. Mesenteries thin, no stomata seen. 5 or 6 cycles of mesenteries, at least first two orders complete. Retractor muscles moderately well developed, diffuse. Mesenteries of two highest orders fertile, sexes presumably separate.

General References

Fautin, D.G. 1987. Stylobates loisetteae, a new species of shell-forming sea anemone (Coelenterata: Actiniidae) from Western Australia. Proceedings of the California Academy of Sciences 45(1): 1-7

Fautin, D.G. 2011. Hexacorallians of the World. http://geoportal.kgs.ku.edu/hexacoral/anemone2/index.cfm

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