Marine Biodiversity

, Volume 48, Issue 1, pp 647–676 | Cite as

Four new species of the family Propeamussiidae (Mollusca: Bivalvia) from the abyssal zone of the northwestern Pacific, with notes on Catillopecten squamiformis (Bernard, 1978)

  • Gennady M. Kamenev
Original Paper


Based on the material collected from 1949 to 2015 by nine deep-sea expeditions, four new species of the family Propeamussiidae (Mollusca: Bivalvia) and Catillopecten squamiformis (Bernard, 1978) were found in the abyssal zone (2,901-5,680 m depths) of the Bering Sea, the Sea of Okhotsk, and the northwestern Pacific. Parvamussium pacificum sp. nov., Catillopecten brandtae sp. nov., Catillopecten malyutinae sp. nov., and Catillopecten natalyae sp. nov. are described from the abyssal plain (4,860-5,680 m depths) adjacent to the Kuril-Kamchatka and Japan trenches (Pacific Ocean). Catillopecten squamiformis was found in the Bering Sea, the Sea of Okhotsk, and at the abyssal plain near the southeastern coast of Kamchatka and Aleutian Trench (Pacific Ocean) at 2,901-5,020 m depth. This is the first record of C. squamiformis from the northwestern Pacific. An expanded description of C. squamiformis with new data on its morphology and geographic distribution is given. To date, 12 species of the genus Catillopecten are known from the different regions of the World Ocean. A table with the main differences among all known species in the genus is provided.


Propeamussiidae New species Systematics Abyssal zone Northwestern Pacific 



I am very grateful to Drs. A. V. Gebruk, E. M. Krylova, T. N. Molodtsova, and all collaborators of Laboratory of Ocean Bottom Fauna (IO RAS), as well as to Drs. H. Saito (NSMT), L. T. Groves (LACM), E. Kools (CAS), P. Valentich-Scott (SBNHM) for arrangement of my work with the bivalve mollusk collections and great help during this work; to Dr. M. V. Malyutina (A.V. Zhirmunsky Institute of Marine Biology, National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences (NSCMB FEB RAS), Vladivostok, Russia), coordinator of the Russian team of the KuramBio expedition and chief scientist of the SokhoBio expedition, and Prof. Dr. A. Brandt (Zoological Institute and Zoological Museum, Hamburg), chief scientist of the KuramBio expedition, for invitation to join the deep-sea expeditions KuramBio (RV Sonne) and SokhoBio (RV Akademik M.A. Lavrentyev), and to the scientific stuff of the expeditions and the ship crews for their assistance during the expeditions; to Drs. E. M. Krylova, P. Valentich-Scott, K. A. Lutaenko (NSCMB FEB RAS), J. Goud (National Museum of Natural History, Leiden), B. A. Marshal (Museum of New Zealand Te Papa Tongarewa, Wellington) for sending copies of scientific papers necessary for this work; to Ms. T. N. Koznova (NSCMB FEB RAS) for help with translating the manuscript into English; to anonymous reviewers for comments on the manuscript.

This research was supported by the Russian Foundation for Basic Research (grant no. 14-04-00872-a).


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© Senckenberg Gesellschaft für Naturforschung and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  1. 1.A.V. Zhirmunsky Institute of Marine Biology, National Scientific Center of Marine Biology, Far Eastern BranchRussian Academy of SciencesVladivostokRussia

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