Ivanov, A. V. 1962. New pogonophores from the eastern part of the Pacific Ocean II. Heptabrachia ctenophora sp. n. and Heptabrachia canadensis sp. n. Zool. Zh. 41: 893-900 [in Russian].
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Ivanov, A. V.
1962
New pogonophores from the eastern part of the Pacific Ocean II. Heptabrachia ctenophora sp. n. and Heptabrachia canadensis sp