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Exceptional Diversity of Stefania (Anura: Hylidae) on Mount Ayanganna, Guyana: Three New Species and New Distribution Records

Ross D. MacCulloch and Amy Lathrop
Herpetologica
Vol. 58, No. 3 (Sep., 2002), pp. 327-346
Published by: Allen Press on behalf of the Herpetologists' League
Stable URL: http://www.jstor.org/stable/3893369
Page Count: 20
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Exceptional Diversity of Stefania (Anura: Hylidae) on Mount Ayanganna, Guyana: Three New Species and New Distribution Records
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Abstract

Herpetological survey on Mt. Ayanganna in west-central Guyana resulted in the discovery of five species of Stefania occurring syntopically at about 1500 m. Two additional species occur at the base of the mountain. We describe three new species of Stefania and provide redescriptions and range extensions for four other Stefania. The number of Stefania known from Guyana increases from three to seven species. /// Cinco nuevas especies de Stefania han sido descubiertas tras un reconocimiento herpetológico llevado a cabo en el Monte Ayanganna en la Guyana centro occidental. Las cinco especies han sido halladas en torno a los 1500 m de altitud. Dos especies mas han sido halladas en la base de la montaña. Se describen aquí tres especies nuevas de Stefania halladas. Para las restantes cuatro especies se recoge su redescripción así como el área de distribución. El número de especies conocidas de Stefania aumenta de este modo de tres a siete especies.

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