Morphology of the first zoeal stage of the commensal southwestern Atlantic crab Austinixa aidae (Righi 1967) (Brachyura: Pinnotheridae), hatched in the laboratory |
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| Authors: | Fernando L. Mantelatto José A. Cuesta |
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| Affiliation: | 1. Laboratory of Bioecology and Crustacean Systematics, Department of Biology, Faculty of Philosophy, Science and Letters of Ribeir?o Preto (FFCLRP), University of S?o Paulo (USP), Av. Bandeirantes 3900, Ribeir?o Preto, SP, 14040-901, Brazil
2. Instituto de Ciencias Marinas de Andalucía, CSIC. Avenida República Saharaui, 2, 11519, Puerto Real, Cádiz, Spain
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| Abstract: | The first zoeal stage of the endemic southern Atlantic pinnotherid crab Austinixa aidae is described and illustrated based on laboratory-hatched material from ovigerous females collected from the upper burrows of the thalassinidean shrimp Callichirus major at Ubatuba, São Paulo, Brazil. The zoeae of Austinixa species can be distinguished from other pinnotherids and especially from zoeae of the closely related species of Pinnixa by the telson structure. |
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