Family ACTINOSCYPHIIDAE Stephenson, 1920

Museums

Regional Maps

• Actinoscyphiidae Stephenson, T.A. 1920. On the classification of Actiniaria. Part I. Forms with acontia and forms with a mesogloeal sphincter. Quarterly Journal of Microscopical Science 2 64(256): 425-574 [478-479].

  Type genus:

   Actinoscyphia Stephenson, 1920.

Diagnosis

Nyantheae with basilar muscles and mesogleal marginal sphincter. Pedal disc flat, sometimes small, grasping. Column commonly smooth, often with distal row of cinclides and sometimes verrucae. Tentacles usually marginal on wide oral disc, their aboral sides sometimes thickened. Oral disc sometimes lobed. Mesenteries not divisible into macrocnemes and microcnemes. At least 6 pairs of perfect and fertile mesenteries. Retractor muscles diffuse and weak. Longitudinal muscles of the tentacles ectodermal. No acontia.

General References

Rodríguez, E., Castorani, C.A. & Daly, M. 2008. Morphological phylogeny of the family Actinostolidae (Anthozoa: Actiniaria) with description of a new genus and species of hydrothermal vent sea anemone redefining the family Actinoscyphiidae. Invertebrate Systematics 22: 439-452

History of changes