Robert K. McAfee
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View article: New well-preserved materials of <i>Glossotherium chapadmalense</i> (Xenarthra, Mylodontidae) from the Pliocene of Argentina shed light on the origin and evolution of the genus
New well-preserved materials of <i>Glossotherium chapadmalense</i> (Xenarthra, Mylodontidae) from the Pliocene of Argentina shed light on the origin and evolution of the genus Open
Fossil remains of extinct mylodontine sloths have been discovered in numerous localities throughout the American supercontinent, but knowledge of them is still mainly centered on the Pleistocene forms rather than their Neogene relatives. I…
View article: Complete zygomatic arches in the Late Quaternary sloth Neocnus from La Altagracia province, Dominican Republic
Complete zygomatic arches in the Late Quaternary sloth Neocnus from La Altagracia province, Dominican Republic Open
Specimens of the extinct sloth genus Neocnus recovered from northwestern La Altagracia Province, Dominican Republic exhibit a unique zygomatic arch. The arch consists of the jugal anteriorly fused to the maxilla and the zygomatic arch liga…
View article: New well-preserved materials of <i>Glossotherium chapadmalense</i> (Xenarthra, Mylodontidae) from the Pliocene of Argentina shed light on the origin and evolution of the genus
New well-preserved materials of <i>Glossotherium chapadmalense</i> (Xenarthra, Mylodontidae) from the Pliocene of Argentina shed light on the origin and evolution of the genus Open
Fossil remains of extinct mylodontine sloths have been discovered in numerous localities throughout the American supercontinent, but knowledge of them is still mainly centered on the Pleistocene forms rather than their Neogene relatives. I…
View article: New species of the ground sloth Parocnus from the late Pleistocene-early Holocene of Hispaniola
New species of the ground sloth Parocnus from the late Pleistocene-early Holocene of Hispaniola Open
Parocnus dominicanus sp. nov. represents a new species of megalonychid ground sloth from theAltagracia Province of southeastern Dominican Republic. Specimens of multiple individuals, including oneassociated partial skeleton, were recovered…
View article: On the status of the giant mylodontine sloth Glossotherium wegneri (Spillmann, 1931) (Xenarthra, Folivora)from the late Pleistocene of Ecuador
On the status of the giant mylodontine sloth Glossotherium wegneri (Spillmann, 1931) (Xenarthra, Folivora)from the late Pleistocene of Ecuador Open
The late Pleistocene mylodontine sloth Glossotherium wegneri (Spillmann, 1931) (Interandean region, Ecuador) has been assigned to Glossotherium Owen, 1839 and Oreomylodon Hoffstetter, 1949 (the latter ranked as a subgenus or genus), and s…
View article: A novel method for quantifying femoral neck anteversion: A case study in extinct and extant sloths
A novel method for quantifying femoral neck anteversion: A case study in extinct and extant sloths Open
Extinct sloths represent a wide range of morphological, locomotor, and body size variation. Researchers have examined femoral neck angle in two dimensions to hypothesize locomotor behaviors in this group; however, this measure does not acc…