New remains of Nothrotheriinae (Mammalia, Xenarthra) from Late Pleistocene fluvial deposits of Northern Pampa (Santa Fe Province, Argentina)

Vezzosi, Raúl Ignacio; Brandoni, Diego; Brunetto, Ernesto; Zalazar, M. Cecilia

doi:10.1016/j.jsames.2018.11.004

Cited by 7 publications

(9 citation statements)

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“…), Nothrotheriinae is represented by Nothrotherium from Brazil, Argentina and Uruguay (Kraglievich ; de Paula Couto ; Perea ; Vezzosi et al . ), Nothrotheriops from the United States, Belize and Mexico (De Iuliis et al . ), and Nothropus from Santa Fe Province (Argentina) and Bolivia (Burmeister ; Bordas ; Quiñones et al .…”

Section: Discussionmentioning

confidence: 99%

“…() and Vezzosi et al . () indicated that Nothrotheriinae were capable of inhabiting a much wider range of habitats and climates ranging from cold and arid to warm and humid.…”

Section: Discussionmentioning

confidence: 99%

“…'Xyophorus ' Ameghino 1887, Nothropus Burmeister 1882, Nothrotherium Lydekker 1889, Pronothrotherium Ameghino 1907, Nothrotheriops, Mionothropus De Iuliis et al 2011, Lakukullus Pujos et al 2014Aymaratherium Pujos et al 2016) are known from the Middle Miocene (Langhian-Serraval-lian) of Bolivia and Argentina to the Late Pleistocene of South America, Central America and North America (Brandoni 2014;Pujos et al 2014Pujos et al , 2016Brandoni & McDonald 2015;De Iuliis et al 2015;Varela et al 2019). For the Pleistocene, the group is mainly represented by Nothrotherium, recorded from Brazil (Hoffstetter 1954;de Paula Couto 1971;Cartelle & Fonseca 1983;Costa da Silva et al 2019), but also reported from Argentina and Uruguay (Kraglievich 1926;Perea 2007;Vezzosi et al 2019), and Nothrotheriops, recorded in the United States, Belize and Mexico (De Iuliis et al 2015). For the Pleistocene of Argentina, Nothrotheriinae is recorded in Buenos Aires Province (e.g.…”

mentioning

confidence: 96%

“…), but also reported from Argentina and Uruguay (Kraglievich ; Perea ; Vezzosi et al . ), and Nothrotheriops , recorded in the United States, Belize and Mexico (De Iuliis et al . ).…”

mentioning

confidence: 99%

“…torresi and a Nothrotheriinae indet. (Brandoni & McDonald 2015;Vezzosi et al 2019). Regarding the record of Nothrotheriinae indet.…”

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confidence: 99%

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Nothrotheriopssp. (Mammalia, Xenarthra) from the Late Pleistocene of Argentina: implications for the dispersion of ground sloths during the Great American Biotic Interchange

Brandoni

Vezzosi

2019

Boreas

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The aim of this contribution is to describe a femur (MCRS 199) assigned to Nothrotheriops sp. from the Late Pleistocene of Santa Fe Province (Argentina), and discuss the implications of this find in the context of the dispersal of ground sloths during the Great American Biotic Interchange. The specimen MCRS 199 is smaller than the femora referred to the North American species Nothrotheriops texanus and Nothrotheriops shastensis but shares several features with these species: (i) shape and position of the greater trochanter, (ii) development of the lesser trochanter, (iii) presence of connection between the third trochanter and the ectepicondyle, (iv) distal third of the femur wider, with ML/DW index of 1.93, and (v) location and relationship of the distal condyles. These similarities allow us to assign MCRS 199 to Nothrotheriops sp. The record of Nothrotheriops sp. from Santa Fe Province chronologically coincides with the earliest records of Nothrotheriops shastensis suggesting a broad geographical distribution of Nothrotheriops during the Late Pleistocene, ranging from 33–36°N (e.g. states of California and Arizona, USA) to 31°S (northern Salado River, Santa Fe Province, Argentina). Thus, Nothrotheriops have dispersed from North America (where Nothrotheriops has early records, Calabrian–Middle Pleistocene) to South America where localities bearing Nothrotheriops are Late Pleistocene in age. In addition, once in South America and probably during the Middle Pleistocene, Nothrotheriops probably gave rise to its sister taxon, Nothrotherium, with records from the Middle Pleistocene (e.g. 223 ka BP, northeastern Brazil) to the Late Pleistocene (e.g. 15 ka BP).

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Section: Discussionmentioning

confidence: 99%

“…() and Vezzosi et al . () indicated that Nothrotheriinae were capable of inhabiting a much wider range of habitats and climates ranging from cold and arid to warm and humid.…”

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 96%

“…), but also reported from Argentina and Uruguay (Kraglievich ; Perea ; Vezzosi et al . ), and Nothrotheriops , recorded in the United States, Belize and Mexico (De Iuliis et al . ).…”

mentioning

confidence: 99%

“…torresi and a Nothrotheriinae indet. (Brandoni & McDonald 2015;Vezzosi et al 2019). Regarding the record of Nothrotheriinae indet.…”

mentioning

confidence: 99%

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