A new pipid frog from the Upper Cretaceous of Patagonia and early evolution of crown-group Pipidae

Gómez, Raúl O.

doi:10.1016/j.cretres.2016.02.006

Cited by 35 publications

(50 citation statements)

References 33 publications

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“…Cretaceous (Cannatella, 2015;Gómez, 2016), but the contribution of palaeontology to the evolutionary history of the South American Pipa is virtually null, since the only fossils putatively referred to this genus come from an undetermined Quaternary of Brasil and were reported (not figured or described) as identical to that of extant Pipa (Liais, 1872). This is quite surprising for a clade of anurans that is morphologically highly derived, with a well-known osteology (e.g., Trueb et al, 2000) and that is therefore potentially easily identifiable.…”

Section: Discussionmentioning

confidence: 99%

“…Samples of Pipa snethlageae were not available for this study and apparently not described or figured in the literature. As for the extinct pipids from South America, analogous ridges occur in Shelania pascuali from the Eocene of Patagonia, which is currently considered a Xenopodinae (Estes, 1975;Báez and Trueb, 1997;Báez et al, 2008;Gómez, 2016). This taxon, however, is characterized by the absence of a mid-dorsal crest (see for example Báez et al, 2008: fig.…”

Section: Stratigraphy and Agementioning

confidence: 99%

“…The pipid fossil record, rather rich and with a much broader geographic range than that currently shown by extant species (Báez, 1996;Sanchiz, 1998;Gómez, 2016), consists mostly of Cretaceous and Paleogene remains that play a relevant role in the analysis of the earlier history of such disjoint-but at the same time possibly intertwined-distribution. South America hosted several taxa related to the crown Xenopodinae from the Cretaceous to the Late Pleistocene, but no Hymenochirini are recorded there (Gómez, 2016). The South American post-Paleogene record is remarkably scarce and Pipa has virtually no fossil record, except for the mention by Liais The material was reported to be identical in size and aspect to Pipa bimaculata (a species name that is currently not valid and not listed among the synonyms of Pipa by Frost, 2017).…”

Section: The Pipidae Currently Hosts About 35 Species With a Disjointmentioning

confidence: 99%

“…Pipa is South American whereas both the Hymenochirini and the Xenopodinae are currently exclusive (not considering the above mentioned human introductions) of sub-Saharan Africa (Frost, 2017). The pipid fossil record, rather rich and with a much broader geographic range than that currently shown by extant species (Báez, 1996;Sanchiz, 1998;Gómez, 2016), consists mostly of Cretaceous and Paleogene remains that play a relevant role in the analysis of the earlier history of such disjoint-but at the same time possibly intertwined-distribution. South America hosted several taxa related to the crown Xenopodinae from the Cretaceous to the Late Pleistocene, but no Hymenochirini are recorded there (Gómez, 2016).…”

Section: The Pipidae Currently Hosts About 35 Species With a Disjointmentioning

confidence: 99%

“…It is not possible to analyze the relationships of AMU-CURS-726 because even if the characters currently applied to explore the phylogenetic relationships among the extinct and extant pipids are highly detailed and numerous, very few of them refer to the sacrum-urostlyle complex (9 out of 165 characters used by Gómez, 2016) and most of them cannot be evaluated on AMU-CURS-726 because of its poor preservation.…”

Section: Stratigraphy and Agementioning

confidence: 99%

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A Late Miocene Pipine Frog from the Urumaco Formation, Venezuela

Delfino

Sánchez‐Villagra

2018

Ameghiniana

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Section: Discussionmentioning

confidence: 99%

Section: Stratigraphy and Agementioning

confidence: 99%

Section: The Pipidae Currently Hosts About 35 Species With a Disjointmentioning

confidence: 99%

Section: The Pipidae Currently Hosts About 35 Species With a Disjointmentioning

confidence: 99%

Section: Stratigraphy and Agementioning

confidence: 99%

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A Late Miocene Pipine Frog from the Urumaco Formation, Venezuela

Delfino

Sánchez‐Villagra

2018

Ameghiniana

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First Eocene–Miocene anuran fossils from Peruvian Amazonia: insights into neotropical frog evolution and diversity

Jansen,

Gómez,

Fouquet

et al. 2023

Papers in Palaeontology

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Anurans are one of the most diverse vertebrate groups, particularly in Amazonia, where species richness exceeds that of anywhere else. Amazonian frogs belong to three main lineages (Hyloidea, Microhylidae and Pipidae), each of which diversified during the Cenozoic. However, due to the virtual absence of an anuran fossil record in that area, the evolutionary history of modern lineages has so far remained accessible only via molecular data. In recent decades, a series of field campaigns in Peruvian Amazonia led to the discovery of an unparalleled set of anuran bone fragments, scattered across different sites spanning the Eocene–Miocene time interval. Here, we describe these first Palaeogene and early Neogene anurans from Peru with a focus on humeral and ilial morphology, identifying five humeral and five ilial morphotypes. Humeral morphotypes suggest the presence of different lineages of Brachycephaloidea in Peruvian fossil assemblages, whereas ilial morphotypes suggest the presence of Leptodactylidae, although leptodactylid‐like ilia also occur in some extant brachycephaloids. Pipids were also identified based on both humeral and ilial fragments. This study fills a major temporal and geographical gap in the evolutionary history of South American anurans, while further uncovering a lack of knowledge in the skeletal morphology of extant anuran families, as well as their inter‐ and intra‐species variability.

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A new early water frog (Telmatobius) from the Miocene of the Bolivian Altiplano

Gómez,

Ventura,

Turazzini

et al. 2024

Papers in Palaeontology

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We describe the new frog Telmatobius achachila sp. nov. from the late Middle to earliest Late Miocene of Achiri, based on a partial skeleton found at 3960 m above sealevel in the Bolivian Altiplano. This skeleton, attributed to a male adult, constitutes the first documented fossil record of the speciose living genus Telmatobius, endemic to the Andean Cordillera and the Altiplano. Phylogenetic analysis confirms the new species as being part of the crown group, and diverging both later than the T. verrucosus group and earlier than the T. bolivianus, T. marmoratus and T. macrostomus groups. Coupled with its accurate stratigraphic provenance and age, this phylogenetic position provides a relevant calibration point for timing the evolutionary history of these highland, mostly aquatic frogs. The skeleton of T. achachila indicates that several of the osteological peculiarities of extant Telmatobius were already acquired at c. 12 Ma, including some that might be linked to their aquatic lifestyle. Together with mixed montane–rainforest pollen vegetation uncovered in the same level, this fossil specimen further provides key data enabling a more accurate reconstruction of ancestral habitats and elevation ranges of Telmatobius, agreeing with the previously postulated conditions in which these water frogs might have first evolved. Ultimately, this discovery adds to the sparse evidence of a humid tropical Bolivian Altiplano just prior to: (1) the Late Miocene uplift pulse of the Central Altiplano; and (2) the drastic climate deterioration that occurred from Late Miocene time onward, leading to the harsh highland‐steppe environments reigning there today.

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A new pipid frog from the Upper Cretaceous of Patagonia and early evolution of crown-group Pipidae

Cited by 35 publications

References 33 publications

A Late Miocene Pipine Frog from the Urumaco Formation, Venezuela

A Late Miocene Pipine Frog from the Urumaco Formation, Venezuela

First Eocene–Miocene anuran fossils from Peruvian Amazonia: insights into neotropical frog evolution and diversity

A new early water frog (Telmatobius) from the Miocene of the Bolivian Altiplano

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