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Subject Item

n2:332238

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Osawa (2016)

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schema:datePublished

2016-01-01

dct:title

Osawa (2016)

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n9:5C3D70CB-50B3-4143-943F-7FB801CCDFB5

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_:vb70020037

dct:abstract

The taxonomy of Polyonyx pedalis Nobili, 1906, is revised on the basis of the syntypes and additional material from various areas of the Indo-West Pacific. Examination of a large series of specimens revealed that P. pedalis s. str. is restricted to the waters of the Red Sea and the western Indian Ocean. Specimens from the western Pacific are here referred to three new species. The four species are superficially similar but can be distinguished by the shape and structure of the carapace, and comparative lengths of the meri of the ambulatory legs. There are indications that their preferred habitats also differ. Polyonyx pedalis, P. heok, new species, and P. kumejima, new species, live symbiotically with tube-dwelling polychaetes; the first two species are associated with species of the genus Chaetopterus (family Chaetopteridae), while P. kumejima is found with a species of Sabellidae. Polyonyx planus, new species, was obtained by brushing coral rubble or from the underside of rocks, and no symbiotic host was recorded.

bibo:abstract

The taxonomy of Polyonyx pedalis Nobili, 1906, is revised on the basis of the syntypes and additional material from various areas of the Indo-West Pacific. Examination of a large series of specimens revealed that P. pedalis s. str. is restricted to the waters of the Red Sea and the western Indian Ocean. Specimens from the western Pacific are here referred to three new species. The four species are superficially similar but can be distinguished by the shape and structure of the carapace, and comparative lengths of the meri of the ambulatory legs. There are indications that their preferred habitats also differ. Polyonyx pedalis, P. heok, new species, and P. kumejima, new species, live symbiotically with tube-dwelling polychaetes; the first two species are associated with species of the genus Chaetopterus (family Chaetopteridae), while P. kumejima is found with a species of Sabellidae. Polyonyx planus, new species, was obtained by brushing coral rubble or from the underside of rocks, and no symbiotic host was recorded.

dct:issued

2016-01-01

dct:bibliographicCitation

Osawa, M. &amp; Ng, P. 2016. Revision of <em>Polyonyx pedalis</em> Nobili, 1906 (Crustacea: Decapoda: Anomura: Porcellanidae), with descriptions of three new species. <em>Raffles Bulletin of Zoology</em>, : 499-518.

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n9:5C3D70CB-50B3-4143-943F-7FB801CCDFB5

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_:vb70020037

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n10:P2007

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urn:lsid:zoobank.org:pub:5C3D70CB-50B3-4143-943F-7FB801CCDFB5