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Please note: Entries in the above species list are the original binomina of species according to Carlgren's 1949 catalog. Nomenclatorial inconsistencies need to be resolved in a future revision of this genus (see below).
Containing group: Actinostolidae


Actinostolidae with well developed pedal disc. Column smooth, rather low, often longitudinally sulcated in the contracted state. Sphincter strong, mesogloeal. Tentacles short, rather few, conical, robust, hexamerously or octamerously arranged, the outer only a little shorter than the inner ones. Outer tentacles on their aboral sides at the base provided with a stinging battery of microbasic b-mastigophors, which are sometimes distributed along the whole aboral side of the tentacles, though more numerous at the base. Longitudinal muscles of tentacles ectodermal, strongest on the oral side. Radial muscles of oral disc ectodermal to ecto-mesogloeal. Actinopharynx short with two well developed siphonoglyphs. Pairs of perfect mesenteries 6, 6+2 single, 8, or 12. 2 pairs of directives. Retractors rather weak, parietobasilar muscles fairly well developed. At least the younger mesenteries growing from the basal disc upwards. All stronger mesenteries fertile. Cnidom: spirocysts, basitrichs, microbasic b- and p-mastigophors.


Carlgren, O. 1949. A Survey of the Ptychodactiaria, Corallimorpharia and Actiniaria. Kungl. Svenska Vetenskapsakadamiens Handlingar, series 4, volume 1, number 1.

About This Page
The information provided on this page is based on Oscar Carlgren's 1949 catalog.
Copyright © 1949 Swedish Academy of Sciences.

Please note that Carlgren's text contains a number of errors, and much of the information is now out of date. An update of the catalog is currently under preparation in Daphne Fautin's laboratory, and the results of this work will be incorporated in future versions of this page.

Keyboarding of Carlgren's catalog was done as part of a project to create an electronic database of the sea anemones of the world, funded by NSF Grant DEB9521819, awarded to Daphne G. Fautin. This grant is in the program Partnerships to Enhance Expertise in Taxonomy (PEET). Susanne Hauswaldt, Katherine Pearson, and April Wakefield-Pagels contributed to the keyboarding effort.

Correspondence regarding this page should be directed to Daphne G. Fautin at

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Citing this page:

Tree of Life Web Project. 2000. Anthosactis. Version 01 January 2000 (temporary). http://tolweb.org/Anthosactis/18823/2000.01.01 in The Tree of Life Web Project, http://tolweb.org/

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