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1 May 2006 Redescription and Holotype Clarification Of Paralichthys Orbignyanus () (pleuronectiformes: Paralichthyidae)
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Abstract

Collecting by Alcide D'Orbigny in the western South Atlantic provided material for Platessa orbignyana Valenciennes, 1839, published as an illustration of the holotype without accompanying descriptive information. A brief and inadequate description was provided in 1847. Thereafter, the holotype was thought to be lost, precluding comparative study and resulting in nomenclatural confusion for other nominal paralichthyid species. A specimen of Paralichthys collected in the Río de la Plata, Buenos Aires, Argentina by D'Orbigny at the Muséum national d'histoire naturelle (MNHN 1999-0295) is here identified as the holotype of Platessa orbignyana Valenciennes, 1839. A redescription of the holotype and comparison with other South Atlantic species resolves several nomenclatural issues.

The American Society of Ichthyologists and Herpetologists
Juan M. Díaz de Astarloa, Thomas A. Munroe, and Martine Desoutter "Redescription and Holotype Clarification Of Paralichthys Orbignyanus () (pleuronectiformes: Paralichthyidae)," Copeia 2006(2), 235-243, (1 May 2006). https://doi.org/10.1643/0045-8511(2006)6[235:RAHCOP]2.0.CO;2
Received: 26 November 2004; Accepted: 1 December 2005; Published: 1 May 2006
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