Marochi, Murilo Z. and Masunari, Setuko and Schubart, Christoph D. (2018) MORPHOLOGICAL AND GENETIC DISTINCTION OF ARMASES ANGUSTIPES AND A. MIERSII (DECAPODA, BRACHYURA, SESARMIDAE). CRUSTACEANA, 91 (9). pp. 1097-1106. ISSN 0011-216X, 1568-5403
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Among coastal crabs of the family Sesarmidae from the western Atlantic, there have been problems of misidentification and controversial reports of distribution, especially due to the morphological similarity and sympatric occurrence of some species. In order to clarify the morphological distinction between Armases angustipes and Armases miersii we here summarize morphological information of the two species and provide new information on the distribution of A. angustipes. In addition, museum specimens from the Bahamas assigned to A. angustipes were morphologically and genetically re-identified as A. miersii, questioning the occurrence of the former species in this archipelago. In this case, there would be no geographic overlap between the two species, with A. angustipes becoming the southern form, mostly restricted to South America. Further studies on the variability among populations of A. miersii and A. angustipes are needed.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | CRAB; ATLANTIC; GRAPSIDAE; COAST; UCA; Distribution expansion; morphological variation; intraspecific variability |
| Subjects: | 500 Science > 570 Life sciences 500 Science > 590 Zoological sciences |
| Divisions: | Biology, Preclinical Medicine > Institut für Zoologie Biology, Preclinical Medicine > Institut für Zoologie > Zoologie/Evolutionsbiologie (Prof. Dr. Jürgen Heinze) |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 20 Mar 2020 10:32 |
| Last Modified: | 20 Mar 2020 10:32 |
| URI: | https://pred.uni-regensburg.de/id/eprint/15362 |
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