Recently Hoogmoed & Gruber (1983) provided detailed information on the type material of Spix and Wagler, which was long thought to have been destroyed. After this article was written, a specimen of Physalaemus albifrons Spix, collected by Spix, surfaced in the collection of the Rijksmuseum van Natuurlijke Historie (RMNH). Details on this specimen are provided.

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Zoologische Mededelingen

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Naturalis journals & series

Hoogmoed, M.S. (1986). Additional remarks on Spix types in the Rijksmuseum van Natuurlijke Historie, Leiden. Zoologische Mededelingen, 60(21), 299–300.