Sanamyan N.P.1, Sanamyan K.E.1, McDaniel N.2 2013. Two new shallow water sea anemones of the family Actiniidae (Cnidaria: Anthozoa: Actiniaria) from British Columbia (NE Pacific) // Invertebrate Zoology. Vol.10. No.2: 199–216 [in English].

1 Kamchatka Branch of Pacific Geographical Institute, Far-Eastern Branch of the Russian Academy of Sciences, Partizanskaya Str. 6, 683000 Petropavlovsk-Kamchatsky, Russia, e-mail: actiniaria@sanamyan.com

2 Neil McDaniel, Vancouver, British Columbia, Canada, e-mail: neil.mcd@telus.net

KEY WORDS: Sea anemones, Northeast Pacific, Actiniidae, Cnidaria, Anthozoa, Actiniaria, Urticina clandestina, Aulactinia vancouverensis.

ABSTRACT: Urticina clandestina sp.n. and Aulactinia vancouverensis sp.n. (family Actiniidae) are recorded from British Columbia, Canada. Urticina clandestina sp.n. is unique in possessing gonads on all mesenteries of first cycles and thus attaining intermediate position between Urticina and Cribrinopsis. Aulactinia vancouverensis sp.n. is a medium-sized rose-coloured species abundant near the northern end of Vancouver Island, but not widespread in southern British Columbia waters. It posses holotrichs in the column; their occurrence in related species is discussed.

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