Family ACTINERNIDAE Stephenson, 1922
- Actinernidae Stephenson, T.A. 1922. On the classification of Actiniaria. Part III. -- Definitions connected with the forms dealt with in Part II. Quarterly Journal of Microscopical Science 66(262): 247-319 [258].
Type genus:
Actinernus Verrill, 1879.
Diagnosis
Endocoelantheae with the thick body usually expanded above and then drawn out into lobes which are typically four or eight in number. Sometimes there are small nematocyst batteries in the ectoderm of the column. Tentacles numerous, simple, or thickened on their aboral sides; two siphonoglyphs. Mesenteries numerous, not divisible into macro- and microcnemes, many are perfect. The later ones are arranged either cyclically or bilaterally, and the partners of a pair may be equal or unequal. Retractors weak. All stronger mesenteries fertile.
History of changes
Note that this list may be incomplete for dates prior to September 2013.
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 05-Aug-2022 | 13-Aug-2013 | MOVED | ||
| 05-Aug-2022 | 03-Jul-2012 | MODIFIED | ||
| 05-Aug-2022 | 17-Nov-2010 | MODIFIED | ||
| 09-Nov-2010 | ADDED |