Mapa geológico y base de datos geocronológicos de Sonora, México

González–León, Carlos M.; Moreno-Hurtado, Gilberto S.

doi:10.22201/igg.25940694e.2021.1.76

Cited by 2 publications

(3 citation statements)

References 21 publications

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“…TERAis the field number of the specimen. The Late Pleistocene sedimentary deposits of Térapa reflect fluvial sediments deposited by the Río Moctezuma and a few side-drainages in a catchment basin formed by an early medial Pleistocene (1.7 million to 300,000-year old) basalt flow within the Moctezuma volcanic field [24,25]. Previously, ref.…”

Section: Térapa Fossil Localitymentioning

confidence: 99%

“…The presence of these two taxa also supports the idea of a mild and moderate climate. Other research groups [25,[31][32][33] have included the Térapa fauna in their reconstruction of the geological and biological changes that occurred in northern Mexico that led to its present-day biota. Based on the presence of two tropical ostracode genera, Chlamydotheca arcuata and Stenocypris sp., the mean monthly summer temperatures were probably no more than 4 • C to 6 • C cooler than at present [34].…”

Section: Térapa Fossil Localitymentioning

confidence: 99%

“…At base are pre-Tonibabi lava and marsh deposits representing Río Moctezuma fluvial cobbles, gravels, sands, and silts. Chronological analyses using radiocarbon (*, Cal = calibrated date) and infrared stimulated luminescence (see discussion in [25]); years before present. Locations of specimens of Paramylodon harlani (left side) and fossil site names (right side) related to stratigraphic section.…”

Section: Térapa Paramylodonmentioning

confidence: 99%

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Late Pleistocene Paramylodon harlani (Xenarthra, Mylodontidae) from Térapa, Sonora, Mexico

McDonald¹,

Mead

Swift

2023

Quaternary

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While the North American mylodont sloth, Parmylodon harlani, has been identified in multiple localities in Mexico, most of these records are from the southern part of the country. Consequently, there is a large geographic gap between its distribution in Mexico and the more northern records of the species in the United States. The recovery of the remains of multiple individuals of Paramylodon harlani, as part of a late Pleistocene fauna in San Clemente de Térapa, Sonora, Mexico, partially fills this geographic gap and provides a broader understanding of the differences in the species’ ecology over a wide latitudinal range. A comparison of the paleoecology of the Térapa site with other sites with P. harlani in the fauna to the south and north provides valuable information on how regional topography and different plant communities impact the sloth’s distribution and underlying causes for its extinction.

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Section: Térapa Fossil Localitymentioning

confidence: 99%

Section: Térapa Fossil Localitymentioning

confidence: 99%

Section: Térapa Paramylodonmentioning

confidence: 99%

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