Genus Urticinopsis Carlgren, 1927

Museums

Regional Maps

• Urticinopsis Carlgren, O. 1927. Actiniaria and Zoantharia. pp. 1-102 in Odhner, T. Further Zoological Results of the Swedish Antarctic Expedition 1901-1903. Stockholm : P.A. Norstedt & Söner Vol. 2(3) pp. 1-102. [41-42].

  Type species:

   Urticina antarctica Verrill, 1922 by monotypy.

Distribution

States

New South Wales

IBRA and IMCRA regions

IMCRA

Central Eastern Shelf Province (38)

Diagnosis

Actiniidae with well developed pedal disc. Column smooth without verrucae or spherules. Sphincter strong, circumscribed. Tentacles hexamerously arranged, short, about half as numerous as the mesenteries at the base. Longitudinal muscles of tentacles and radial muscles of oral disc ectodermal or meso-ectodermal. Actinopharynx well developed as also the siphonoglyphs. Mesenteries hexamerously arranged, more numerous proximally than distally. At least 2 cycles of mesenteries perfect. Retractors of the mesenteries diffuse, not strong. Parietobasilar muscles forming a distinct fold. The first 2 cycles of mesenteries sterile. Cnidom: spirocysts, basitrichs, microbasic p-mastigophores.

History of changes