2019
DOI: 10.1017/jpa.2019.64
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New records of Neogene Xenarthra (Mammalia) from eastern Puna (Argentina): diversity and biochronology

Abstract: Xenarthra is an endemic South American lineage of mammals, probably the sister clade of the other placental mammals. The oldest records of Xenarthra are from the latest Paleocene, although its current diversity is much lower than that recorded in some intervals of the Cenozoic Era. A new Neogene Xenarthra (Pilosa and Cingulata) assemblage from two localities of the Argentine Eastern Puna (Calahoyo and Casira) is described. The newly recorded taxa—Cingulata, Dasypodidae, Eutatini: Stenotatus sp. indet. and Euta… Show more

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Cited by 21 publications
(27 citation statements)
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References 64 publications
(114 reference statements)
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“…In a similar way, several elements of uncertain attribution recovered from the Casira Basin and described by Quiñones et al (2019) can be reassigned to S. uccasamamensis.…”
Section: Discussionmentioning
confidence: 97%
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“…In a similar way, several elements of uncertain attribution recovered from the Casira Basin and described by Quiñones et al (2019) can be reassigned to S. uccasamamensis.…”
Section: Discussionmentioning
confidence: 97%
“…The Neogene Mylodontini species Simomylodon uccasamamensis is an endemic taxon from late Miocene-late Pliocene deposits of the Andean Altiplano (Saint-André et al 2010;Boscaini et al 2019b;Quiñones et al 2019). This species was erected by Saint-André et al (2010), and new abundant remains from the Bolivian Altiplano were subsequently studied by Boscaini et al (2019b, c).…”
mentioning
confidence: 99%
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“…The earliest records of osteoderms are from the late Miocene–early Pliocene of Argentina and Bolivia (Boscaini et al, 2021; Nasif, Esteban, & Georgieff, 2008; Quiñones et al, 2019; Rovereto, 1914). Towards the end of the Miocene and the beginning of the Pliocene, the diversity of largest predators in South America included caimans such as Purussaurus (e.g., Bona & Barrios, 2015; Bona, Riff, & Gasparini, 2013; Pujos & Salas‐Gismondi, 2020; Salas‐Gismondi et al, 2015; Scheyer et al, 2013), phorusrhacid birds (Degrange, Tambussi, Moreno, Witmer, & Wroe, 2010; Degrange, Tambussi, Taglioretti, Dondas, & Scaglia, 2015), teratorns such as Argentavis (Palmqvist & Vizcaíno, 2003), carnivorous marsupials such as Thylacosmylus and to a lesser extent borhyaenids (Prevosti, Forasiepi, & Zimicz, 2011), and large procyonids such as Cyonasua (Cione, Gasparini, Soibelzon, Soibelzon, & Tonni, 2015; Soibelzon et al, 2020; Tarquini, Vilchez Barral, & Soibelzon, 2016).…”
Section: Discussionmentioning
confidence: 99%
“…A single osteoderm from the same locality was also referred to Simomylodon cf. S. uccasamamensis (Quiñones et al, 2019). Regarding the North American fossil record, mylodontine osteoderms were recovered from the Pliocene deposits of Mexico (Carranza‐Castañeda, 2006; Montellanos‐Ballesteros & Carranza‐Castañeda, 1986) and USA (Hill, 2006; Robertson, 1976).…”
Section: Discussionmentioning
confidence: 99%