Twenty-two samples of a rare sea anemone Ptychodactis patula having an unusual structure were found in the collection of the Zoological Institute (Russian Academy of Sciences, St. Petersburg). This species was previously referred to the small order Ptychodactiaria, which included only three species. P. apatula was known only from the coasts of Norway (the type locality), Iceland, and the Bering Strait. Our samples greatly exceed the materials thus far published, both in the number of specimens and their places of discovery.
Russian Journal of Marine Biology – Springer Journals
Published: Mar 20, 2007
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