Abstract
Three species of Cribrinopsis and two species of Urticina from Kamchatka, Commander Islands, and the Sea of Okhotsk are discussed. It is confirmed that the widely distributed north‐east Pacific anemone known as U. lofotensis (Tealia lofotensis: Hand, Citation1955) is different from the European species of the same name (Madoniactis lofotensis Danielssen, Citation1890) but is conspecific with Cribrinopsis albopunctata sp. nov. from Kamchatka. Urticina grebelnyi sp. nov. is a large species common in East Kamchatka and recorded also from Puget Sound from where it was previously known as U. crassicornis (Müller, Citation1776). Cribrinopsis olegi sp. nov. is a distinctive species with short, often almost spherical tentacles known only from East Kamchatka.
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Acknowledgements
The authors are grateful to Dr Dirk Schories for the specimens of Urticina eques he collected in Europe and for the numerous underwater photographs he shared with us, and to Dr Alexander Rzhavsky for the material he collected in the UK. We are also very grateful to Dr Patricia Kott, one of the most experienced taxonomists, who kindly agreed to check the English language in this work.