A tale of two clades: Comparative study of Glyptodon Owen and Glyptotherium Osborn (Xenarthra, Cingulata, Glyptodontidae)

Zurita, Alfredo Eduardo; Gillette, David D.; Cuadrelli, Francisco; Carlini, Alfredo Armando

doi:10.1016/j.geobios.2018.04.004

Cited by 18 publications

(9 citation statements)

References 30 publications

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“…Given the completeness of the skull, the lack of definitive species allocation may seem peculiarthis uncertainty is due to the difficulties in glyptodont taxonomy derived from the rareness of the association of carapace shield and skulls for most taxa (see Zurita et al, 2009Zurita et al, , 2016. This particular situation is evident with the North American species Glyptotherium cylindricum, mostly recognized on the basis of the dorsal carapace (see Gillette et al, 2016;Zurita et al, 2018) The fragmented skulls MCNC-Pal-1837 and MCNC-Pal-1838 are assigned also to Glyptotherium cf. cylindricum on the basis of morphological evidence.…”

Section: Fossil Specimens and Identification/taxonomymentioning

confidence: 99%

“…cylindricum (Figs. 4A, B, 5A-G) based on some diagnostic features and comparisons with other Pleistocene glyptodonts (see Zurita et al, 2018). A diagnostic feature is a lateral profile with a more open angle of the palatal plane and the dorsal skull line compared to the Southern South America Glyptodon spp.…”

Section: Fossil Specimens and Identification/taxonomymentioning

confidence: 99%

“…), even more marked than in the remaining Glyptotherium species (with the exception of G. reticulatus). The Mf2 is evidently trilobated as the rest of the molariforms (for more detailed see Carlini et al, 2008;Zurita et al, 2018).…”

Section: Fossil Specimens and Identification/taxonomymentioning

confidence: 99%

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Damaged glyptodontid skulls from Late Pleistocene sites of northwestern Venezuela: evidence of hunting by humans?

et al. 2022

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The Muaco and Taima-Taima sites, in Falcón State of northwestern Venezuela, are among the earliest sites of human occupation in South America containing artifacts associated with preserved megafaunal remains and dating between 19,810 and 15,780 calybp. Here we report novel visual and CT scanning analysis of six glyptodont skulls of Glyptotherium cf. cylindricum from these sites, of which four exhibit distinct and similar patterns of breakages in the fronto-parietal region that suggest intentional blows by direct percussion by humans, with fractures not being diagenetic but instead antemortem or transmortem. This hypothesized and unreported hunting technique focused in an area of the skull where the cephalic shield becomes thin, thus increasing the effectiveness of the blow. From Taima-Taima other glyptodont remains included an inverted carapace, also previously reported as probable evidence of human–glyptodont interaction during the latest Pleistocene. We estimated that roughly 150-170 Kg of potentially accessible muscles and fat of an adult Glyptotherium cylindricum could be used as food sources.

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Section: Fossil Specimens and Identification/taxonomymentioning

confidence: 99%

Section: Fossil Specimens and Identification/taxonomymentioning

confidence: 99%

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Damaged glyptodontid skulls from Late Pleistocene sites of northwestern Venezuela: evidence of hunting by humans?

et al. 2022

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“…Observaciones.-La ornamentación del osteodermo estudiado muestra cierta similitud con el patrón reticular documentado en la región dorsal de la coraza de algunos ejemplares de Glyptodon reticulatus Owen (Zurita et al 2018); no obstante, en esta última especie las figuritas son notablemente más grandes y además el espesor de los osteodermos es mayor. La ornamentación de Panochthus sp.…”

Section: Pa L E O N T O L O G í a S I S T E M á T I C Aunclassified

“…bullifer son más delgados que los de Panochthus. Por su parte, los géneros Glyptodon, Hoplophorus Lund, Neosclerocalyptus, Nopachtus Ameghino, y Plohophorus Ameghino presentan, en cada osteodermo, una figura central subcircular rodeada de varias hileras de figuritas periféricas subcirculares (Ameghino 1889;Zurita 2007;Porpino et al 2010;Zamorano et al 2011;Zurita et al 2018), diferenciándose claramente del material aquí estudiado.…”

Section: Pa L E O N T O L O G í a S I S T E M á T I C Aunclassified

Primer registro de Panochthus Burmeister (Xenarthra; Cingulata; Glyptodontidae) en Perú

Zamorano¹,

Almonte²

2018

AGL

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ä Resumen-Panochthus Burmeister es uno de los géneros de gliptodóntidos más ampliamente distribuidos geográficamente en el Pleistoceno del sur de América del Sur. Revisiones sistemáticas recientes revelaron la existencia de siete especies: P. intermedius Lydekker, P. subintermedius Castellanos, P. tuberculatus (Owen), P. frenzelianus Ameghino, P. greslebini Castellanos, P. jaguaribensis Moreira y P. hipsilis Zurita, Zamorano, Scillato-Yané, Fidel, Iriondo y Gillette. En esta contribución se describe un osteodermo que proviene del Pleistoceno de la ribera del río Desaguadero, Perú, aproximadamente a 3800 metros sobre el nivel del mar. La presencia, en su superficie externa, de figuras reducidas que siguen un patrón reticular permite atribuirlo a Panochthus. Este es el primer registro de este género en Perúy , de esta manera, se amplía su distribución geográfica conocida.

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A New Glyptodont (Xenarthra: Cingulata) from the Late Miocene of Argentina: New Clues About the Oldest Extra-Patagonian Radiation in Southern South America

et al. 2022

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A tale of two clades: Comparative study of Glyptodon Owen and Glyptotherium Osborn (Xenarthra, Cingulata, Glyptodontidae)

Cited by 18 publications

References 30 publications

Damaged glyptodontid skulls from Late Pleistocene sites of northwestern Venezuela: evidence of hunting by humans?

Damaged glyptodontid skulls from Late Pleistocene sites of northwestern Venezuela: evidence of hunting by humans?

Primer registro de Panochthus Burmeister (Xenarthra; Cingulata; Glyptodontidae) en Perú

A New Glyptodont (Xenarthra: Cingulata) from the Late Miocene of Argentina: New Clues About the Oldest Extra-Patagonian Radiation in Southern South America

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