Genus Isactinia Carlgren, 1900

Museums

Regional Maps

• Isactinia Carlgren, O. 1900. Ostafrikanische Actinien. Gesammelt von Herrn Dr. F. Stuhlmann 1888 und 1889. Mitteilungen aus dem Naturhistorischen Museum in Hamburg 17: 21–144 [33].

  Type species:

   Anemonia citrina Haddon & Shackleton, 1893 by subsequent designation.

Distribution

States

Victoria, Western Australia

IBRA and IMCRA regions

IMCRA

Central Western Shelf Province (29), Western Bass Strait Shelf Transition (34)

Diagnosis

Pedal disc well developed. Body not elongate. Column smooth, at the margin with an annulus of well developed, perforated pseudospherules. Fosse shallow. Sphincter endodermal, diffuse or almost absent. Oral disc in older specimens often lobed. Tentacles conical, short, numerous up to about 400, their longitudinal muscles ectodermal. Siphonoglyphs 0-2. Pairs of directives 0-2. Several pairs of mesenteries perfect. Sometimes the mesenteries of a pair are of very different size. Considerably more mesenteries at the margin than at the base. Most of the mesenteries including the directives fertile. Retractors diffuse. Parietobasilar muscles distinct but weak. Cnidom: spirocysts, basitrichs, microbasic p-mastigophores.

General References

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

History of changes