Taxonomic revision of the Quaternary gomphotheres (Mammalia: Proboscidea: Gomphotheriidae) from the South American lowlands

Mothé, Dimila; Avilla, Leonardo dos Santos; Cozzuol, Mário Alberto; Winck, Gisele R.

doi:10.1016/j.quaint.2011.05.018

Cited by 64 publications

(66 citation statements)

References 9 publications

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“…The cluster analysis was performed on binary matrix employing the clustering algorithm UPGMA (Average Linkage Clustering; Sokal & Michener, 1958) and the Euclidean similarity index using the software Past 3.14. Taxonomical identification followed Cartelle (1992), De Iuliis (1996), Cartelle & De Iullis (1995, 2006, Pereira et al (2012), for Eremotherium laurillardi, Brandoni & McDonald (2015) and De Iullis et al(2011) for Nothrotheriinae, Miño-Boilini et al (2014) for Scelidotheriinae, Rinderknecht (2000), Zurita et al (2009 for Glyptodontinae, Paula Couto (1979) and Mothé et al (2012) for Gomphotheriidae, and Cartelle (1998) Eremotherium laurillardi (Lund, 1842) Cartelle & Bohórquez, 1982 (Figures 2A-C) Material. PBQ1-23, right astragalus; PBQ2-1, left calcaneum; PBQ2-2, fragment of right mandibular branch.…”

Section: Methodsmentioning

confidence: 95%

“…Remarks. Gomphotheres are well documented in South America (Argentina, Brazil, Chile, Colombia, Ecuador, Paraguay, Peru, Uruguay and Venezuela) from Ensenadense to Lujanense (Prado et al, 2001), with a single species found in Brazil, Notiomastodon platensis (Mothé et al, 2012). Due to the absence of diagnostic features on the studied specimen, we have decided to not assign a specified taxonomical classification beyond Gomphotheriidae.…”

Section: Oliveira Et Al -Quaternary Mammals From Central Brazilmentioning

confidence: 99%

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Quaternary mammals from central Brazil (Serra da Bodoquena, Mato Grosso do Sul) and comments on paleobiogeography and paleoenvironments

Oliveira

Becker-Kerber²,

Cordeiro

et al. 2017

Rev. bras. paleontol.

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-Studies regarding Quaternary mammals from the Serra da Bodoquena (South-western Brazil, state of Mato Grosso do Sul) are scarce. In the region, the Fadas Cave has been an important paleontological site. Remnants of Pleistocene fauna were collected along a river channel inside the cave. It is the first record of Arctotherium, Scelidotheriinae and Nothrotheriinae in the Serra da Bodoquena. Smilodon populator, Eremotherium laurillardi, Gomphotheriidae and Glyptodontinae, already known for the region, were also identified. These new occurrences allow us to redefine the paleozoogeographical distribution of some of the aforementioned taxa. Herein we propose the expansion of the range of the Brazilian Intertropical Region, which should include Mato Grosso do Sul and São Paulo. The state of Rio Grande do Sul keeps a greater paleozoogeographical affinity to others temperate zones from Argentina and Uruguay. Taxa associated to open environments indicate the existence of large areas of savannas during the late Pleistocene in the Serra da Bodoquena.Key words: Brazilian Intertropical Region, Pampean Region, paleozoogeographical zones, Fadas Cave, Quaternary mammals, Serra da Bodoquena.RESUMO -Os estudos sobre mamíferos quaternários da Serra da Bodoquena (Mato Grosso do Sul) são escassos. Na região, a Gruta das Fadas tem sido um importante sítio paleontológico. Os restos da fauna do Pleistoceno foram coletados ao longo de um canal do rio dentro da caverna. É o primeiro registro de Arctotherium, Scelidotheriinae e Nothrotheriinae na Serra da Bodoquena. Smilodon populator, Eremotherium laurillardi, Gomphotheriidae e Glyptodontinae, já conhecidos pela região, também foram identificados. Estas novas ocorrências nos permitem redefinir a distribuição paleozoogeográfica de alguns dos táxons acima mencionados. Aqui propomos a ampliação da faixa da Região Intertropical Brasileira, que deve incluir Mato Grosso do Sul e São Paulo. O Estado do Rio Grande do Sul mantém uma maior afinidade paleozoogeográfica com outras zonas temperadas da Argentina e do Uruguai. Táxons associados a ambientes abertos indicam a existência de grandes áreas de savanas durante o Pleistoceno final na Serra da Bodoquena. Palavras-chave:Região Intertropical Brasileira, Região Pampeana, zonas paleozoogeográficas, Gruta das Fadas, mamíferos quaternários, Serra da Bodoquena.

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Section: Methodsmentioning

confidence: 95%

Section: Oliveira Et Al -Quaternary Mammals From Central Brazilmentioning

confidence: 99%

Quaternary mammals from central Brazil (Serra da Bodoquena, Mato Grosso do Sul) and comments on paleobiogeography and paleoenvironments

Oliveira

Becker-Kerber²,

Cordeiro

et al. 2017

Rev. bras. paleontol.

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“…Para la taxonomía se siguieron los criterios de Alberdi et al (2002) y Prado et al (2005 a diferencia de Mothé et al (2012) y Lucas (2013, en el entendido que al momento no existen suficientes elementos de juicio concretos para diferenciar a nivel genérico los restos asignables a Stegomastodon procedentes de Sudamérica de los de Norteamérica, por lo que el género Notiomastodon no exhibe caracteres morfológicos diagnósticos claros ni suficientes que justifiquen su distinción de aquél (Mothé et al, 2012; ver discusión y conclusiones).…”

Section: Materials Y Métodosunclassified

“…Este criterio resulta muy endeble, por lo que entendemos más adecuado considerar dentro del género una única especie, S. platensis al igual que Mothé et al (2012; ver discusión y conclusiones).…”

Section: Materials Y Métodosunclassified

“…Esto se basa en el entendido que los caracteres morfológicos que sustentan la distinción entre dicho género y Notiomastodon Cabrera, 1929, no resultan al momento contundentes. Los caracteres diagnósticos considerados para distinguir a ambos (Mothé et al, 2012;Lucas, 2013), como algunos caracteres del esqueleto postcraneano, el grado de graviportalidad y el número de lófidos en algunos molares, resultan taxonómicamente más consistentes con una separación a nivel específico o hasta posiblemente subespecífico. En este marco y comparativamente, es mucho más evidente la identificación de Cuvieronius como entidad genérica que la diferenciación morfológica de Stegomastodon respecto de Notiomastodon.…”

Section: Discusión Y Conclusionesunclassified

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Los gonfotéridos (Mammalia, Proboscidea) de Uruguay: taxonomía, estratigrafía y cronología

Perea¹,

Alberdi²

2015

Estud. geol.

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Characterization of dental calculus in the South American Quaternary proboscidean Notiomastodon platensis (Ameghino, 1888)

Fonseca De Paiva,

Alves‐Silva,

De Souza Barbosa

2024

J Quaternary Science

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Dental calculus, or tartar, is a mineralized biofilm that develops on the teeth, and is often observed on the teeth of the South American proboscidean Notiomastodon platensis. This structure can provide details on paleoecological, paleoenvironmental and paleopathological aspects of a species. However, characterization of tartar in N. platensis is lacking. The aim of this study was to provide a macromorphological characterization of tartar on N. platensis molars, and evaluate its prevalence, distribution patterns and severity. A total of 117 molariforms from Brazilian Quaternary fossiliferous assemblages were analyzed. Thirty‐five (29.9%) molars presented tartar. The majority displayed moderate severity. Calculus was present at least on one inteloph(id) of each molar, and prevailed on the posterior region. It predominated on lower and third molars. Adult individuals showed a predominance compared to juveniles. These patterns in N. platensis are probably due to the susceptible oral environment, molar morphology, mature age and tooth replacement. These results suggest that N. platensis and probably other proboscideans were relatively susceptible to tartar development.

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Taxonomic revision of the Quaternary gomphotheres (Mammalia: Proboscidea: Gomphotheriidae) from the South American lowlands

Cited by 64 publications

References 9 publications

Quaternary mammals from central Brazil (Serra da Bodoquena, Mato Grosso do Sul) and comments on paleobiogeography and paleoenvironments

Quaternary mammals from central Brazil (Serra da Bodoquena, Mato Grosso do Sul) and comments on paleobiogeography and paleoenvironments

Los gonfotéridos (Mammalia, Proboscidea) de Uruguay: taxonomía, estratigrafía y cronología

Characterization of dental calculus in the South American Quaternary proboscidean Notiomastodon platensis (Ameghino, 1888)

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