Published May 10, 2004
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A review of shallow-water Irish and British Harpinia Boeck (Crustacea: Amphipoda: Phoxocephalidae) species including the first detailed descriptions of the males of Harpinia laevis Sars and Harpinia pectinata Sars
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King, Rachael A., Myers, Alan A., McGrath, David (2004): A review of shallow-water Irish and British Harpinia Boeck (Crustacea: Amphipoda: Phoxocephalidae) species including the first detailed descriptions of the males of Harpinia laevis Sars and Harpinia pectinata Sars. Journal of Natural History 38 (10): 1263-1286, DOI: 10.1080/0022293031000079598, URL: http://dx.doi.org/10.1080/0022293031000079598
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- urn:lsid:plazi.org:pub:821B5543FFAFFF8CAF10617BC573FFFE
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- http://publication.plazi.org/id/821B5543FFAFFF8CAF10617BC573FFFE
References
- Lincoln (1979) used the number of marginal setae on coxa 2 (in part) to distinguish between H. antennaria and H. pectinata (females). He recorded that H. antennaria has six to ten setae and H. pectinata three to five. Examination during this study has shown that juveniles of H. antennaria can have four to five setae and so this character alone cannot be used to separate the two species. The presence/ absence of a spine on each of coxae 1-3 posterodistal margins as well as the shape of pereopod 7 basis will easily separate these two species.
- Sars (1895) illustrated the male with a distinct spine on the dorsoventral margin of the head. None of the males examined here (including specimens from Sweden) have this spine. We have found that this character is sexually dimorphic in H. pectinata and so may well be in this species. Alternatively, this character may prove to be variable.