Fossil frogs from the upper Miocene of southwestern Brazilian Amazonia (Solimoes Formation, Acre Basin)

Author(s)

Muniz, Fellipe P. ; Bissaro-Junior, Marcos Cesar ; Guilherme, Edson ; De Souza-Filho, Jonas P. ; Negri, Francisco R. ; Hsiou, Annie S.

• Document type: Journal article
• Source: JOURNAL OF VERTEBRATE PALEONTOLOGY; v. 41, n. 6, p. 11-pg., 2022-01-02.

Abstract

Much of what we know about late Miocene vertebrates from the Brazilian Amazonia is based on the fossil record from several sites in the Solimoes Formation. The Talisma site, one of the most important for vertebrate fossils in the formation, has produced an abundant and diverse fauna dominated by crocodylians, mammals, and turtles, but small vertebrates are still underrepresented. We report some isolated bones recovered from this site, providing the first Neogene records of anurans in Brazil. Two taxa are recognized, a distinct species of Pipa, and an unidentified species of the Rhinella clade, both of which are members of the extant Amazonian batrachofauna. These new fossils expand our knowledge of the late Miocene anuran assemblages from the region and contribute to the paleoenvironmental reconstruction of the site. (AU)

• FAPESP's process: 11/14080-0 - Cretaceous and Tertiary (Paleogene/Neogene) Squamates (Reptilia, Lepidosauria) from the Bauru, Aiuruoca and Acre basins: systematics, evolution and palaeoenvironments
• Grantee: Annie Schmaltz Hsiou
• Support Opportunities: Research Grants - Young Investigators Grants
• FAPESP's process: 16/08012-6 - Taphonomy and taxonomic composition of vertebrate microfossils from Talismã and Niterói sites (Solimões formation, Acre Basin, Upper Miocene)
• Grantee: Fellipe Pereira Muniz
• Support Opportunities: Scholarships in Brazil - Master
• FAPESP's process: 19/14153-0 - Neogene vertebrate microremains of the Brazilian Amazon region, with emphasis on the temporal resolution of the Solimões Formation, Miocene of the Acre Basin
• Grantee: Annie Schmaltz Hsiou
• Support Opportunities: Regular Research Grants
• FAPESP's process: 16/00476-3 - Geochemical taphonomy of macrovertebrates from fossil assemblages of Solimões Formation (Acre basin, upper Miocene)
• Grantee: Marcos César Bissaro Júnior
• Support Opportunities: Scholarships abroad - Research Internship - Doctorate