Genus Parantheopsis McMurrich, 1904

Museums

Regional Maps

• Parantheopsis McMurrich, J.P. 1904. The Actiniae of the Plate collection. Zoologische Jahrbücher 6 Suppl.(2): 215-306 [232-233].

  Type species:

   Actinia cruentata Couthouy in Dana, 1846 by monotypy.

Distribution

IBRA and IMCRA regions

IMCRA

Macquarie Island Province (24)

Diagnosis

Actiniidae with more or less elongated body and well developed pedal disc. Verrucae in longitudinal rows at least in the upper part of the body. Margin and fosse distinct. Tentacles short, the outer almost as long as the inner. Longitudinal muscles of tentacles and radial muscles of oral disc ectodermal. Siphonoglyphs well developed.Mesenteries arranged octa-, penta- or hexamerously. All or most of the mesenteries perfect. Two pairs of directives. Retractors well developed, parietobasilar muscles forming a distinct fold, basilar muscles well developed. Gonads on the mesenteries of the first cycle and on all of the other cycles. Cnidom: spirocysts, basitrichs, microbasic p-mastigophores.

History of changes