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Two new species of Mediomastus (Annelida, Capitellidae) from Tokyo Bay, Japan

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Title: Two new species of Mediomastus (Annelida, Capitellidae) from Tokyo Bay, Japan
Authors: Tomioka, Shinri Browse this author
Nishi, Eijiroh Browse this author
Kajihara, Hiroshi Browse this author →KAKEN DB
Keywords: Taxonomy
Issue Date: 3-Jul-2014
Publisher: Pensoft Publishers
Journal Title: Zookeys
Volume: 422
Start Page: 115
End Page: 126
Publisher DOI: 10.3897/zookeys.422.7501
Abstract: Two undescribed species of polychaetes in Mediomastus (Annelida: Capitellidae) were collected from intertidal to shallow habitats in Tokyo Bay, Japan. These are M. duobalteus sp. n. and M. hanedaensis sp. n. Mediomastus duobalteus sp. n. is distinguishable from all congeners by the following characters: 1) segments 3, 4, 8-11 stainable with methyl green, 2) thoracic capillary chaetae unilimbate, 3) abdominal capillary chaetae absent, 4) paddle-like chaetae in the thorax absent, and 5) abdominal hooded hooks not flared. Mediomastus hanedaensis sp. n. is similar to M. warrenae Green, 2002, but differs from the latter in the shapes of the thoracic capillary chaetae and the abdominal hooded hooks, and the staining pattern with methyl green. In addition, a key to all Mediomastus species is provided.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 柁原 宏

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