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Branchinecta mexicana, New Species (Branchiopoda: Anostraca), a Fairy Shrimp from Central Mexico

Alejandro M. Maeda-Martínez, Hortencia Obregón-Barboza and Henri J. Dumont
Journal of Crustacean Biology
Vol. 13, No. 3 (Aug., 1993), pp. 585-593
Published by: on behalf of The Crustacean Society
DOI: 10.2307/1548799
Stable URL: http://www.jstor.org/stable/1548799
Page Count: 9
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Branchinecta mexicana, New Species (Branchiopoda: Anostraca), a Fairy Shrimp from Central Mexico
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Abstract

Branchinecta mexicana, new species, a fairy shrimp from central Mexico, is described and figured. Its principal diagnostic characteristic is a squamate appendix on the median side of the basal antennal article. The proximal peglike part of this appendix extends into a posterodorsally directed tip, while its distal part shows 2-5 incisions. Differential features between the new species and the related species B. packardi Pearse are discussed on the basis of a SEM analysis. Branchinecta mexicana, new species, represents the southernmost record of a branchinectid in North America. No other phyllopod species were found at the time of its collection.

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