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Article: Fishes and amphibians from the Late Permian Pedra de Fogo Formation of northern Brazil

Publication: Palaeontology
Volume: 34
Part: 3
Publication Date: September 1991
Page(s): 561 573
Author(s): C. Barry Cox and P. Hutchinson
DOI:
Addition Information

How to Cite

COX, C., HUTCHINSON, P. 1991. Fishes and amphibians from the Late Permian Pedra de Fogo Formation of northern Brazil. Palaeontology34, 3, 561–573.

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Abstract

The vertebrate fauna of the Pedra de Fogo Formation of northern Brazil includes a palaeonisciform fish Brazilichthys macrognathus gen. et sp. nov., which is placed in a new family, the Brazilichthyidae. Other fishes include fragments of ctenacanth and xenacanth sharks, edestid holocephalians, and dipnoans. Tetrapods include the archegosaurid amphibian Prionosuchus plummeri, which is compared with other archegosaurs. Its extremely long narrow snout suggests that the Pedra de Fogo Formation is of Late Permian age, rather than Early Permian. A large specimen of Prionosuchus is probably the longest amphibian currently known.
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