Genus Gyractis Boveri, 1893
- Gyractis Boveri, T. 1893. Das Genus Gyractis, eine radial-symmetrische Actinienform. Zoologische Jahrbücher. Abteilung für Systematik 7: 241-253 [246-249].
Type species:
Gyractis excavata Boveri, 1893 by original designation.
Distribution
States
Queensland, Victoria, Western Australia
Extra Distribution Information
New Australian record (C.C. Wallace, A.L. Crowther & D.G. Fautin, unpublished data)
IMCRA
Cocos (Keeling) Island Province (22), Northwest Shelf Province (27), Central Western Shelf Province (29), Southwest Shelf Province (31), Bass Strait Shelf Province (35), Central Eastern Shelf Transition (39)
Diagnosis
Actiniidae with well-developed pedal disc. Column with longitudinal rows of adhesive verrucae. Marginal spherules well developed, often digitate. Endodermal marginal sphincter weak, diffuse, or strong, circumscribed. Tentacles and mesenteries regularly or irregularly arranged. Siphonoglyphs two or more, sometimes supported by directive mesenteries. About same number of mesenteries distally and proximally. Mesenterial retractor and parietobasilar muscles weak to strong, diffuse; basilar muscles present. Cnidom: spirocysts, basitrichs, microbasic amastigophores and microbasic p-mastigophores. In some species heterotrichs occur near the limbus.
History of changes
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 05-Aug-2022 | NYNANTHEAE Carlgren, 1899 | 13-Aug-2013 | MOVED | Dr Bronwen Scott |
| 08-Jan-2011 | ADDED |