Dasypus septemcinctus (Cingulata: Dasypodidae)

Feijó, Anderson

doi:10.1093/mspecies/sez022

Cited by 7 publications

(6 citation statements)

References 35 publications

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“…I could not find any taxonomic work mentioning this species. Yet Castro ( 2015 ) defined as valid species of the Dasypodini several genera and species, four of which occur in the Pleistocene Pampean region, one extinct, P. sulcatus (see above), and the others still extant Dasypus hybridus Desmarest, 1804 , Dasypus novemcinctus Linnaeus, 1758 , (or Dasypus sabanicola Mondolfi, 1968 , see Feijó et al, 2019 ), and Dasypus septemcinctus Linnaeus, 1758 , whose fossil record is unknown (Feijó, 2020 ). The vertebrae of PIMUZ A/V 423 are particularly broken and are not diagnostic.…”

Section: Resultsmentioning

confidence: 99%

Xenarthrans of the collection of Santiago Roth from the Pampean Region of Argentina (Pleistocene), in Zurich, Switzerland

Verger

2023

Swiss J Palaeontol

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The present work concerns xenarthrans from the collection of Santiago (Kaspar Jakob) Roth (1850–1924) housed at the Palaeontological Institute and Museum of the University of Zurich, one of the most important collections of Pleistocene mammals from Argentina in Europe. Roth was a paleontologist originally from Switzerland who prospected and collected a large amount of Pleistocene megafauna of the Pampean Region of Argentina. The xenarthrans are the main representatives of this collection in Zurich, with 150 specimens. Since 1920, this material has not been revised and is under studied. The present investigation corresponds to a taxonomic revision resulting in 114 reassignments, leading to document xenarthran diversity and discuss their paleoecologies. The high diversity reflects the paleoecology of the Pampean Region during the Pleistocene, with the various abiotic events that impacted the paleoenvironment of this region. Within the Cingulata, the Pampean Region fauna was probably dominated by glyptodonts with a high representation of Glyptodontinae and Neosclerocalyptinae while within the sloths the highest diversity and abundance is found in the Mylodontinae and Scelidotheriinae. These four clades represent both species with high ecological tolerance (e.g., Glyptodon munizi; Catonyx tarijensis) and ecologically highly specialized species (e.g., Neosclerocalyptus paskoensis; Scelidotherium leptocephalum). The presence of such ecological diversity underlines the status of the Pampean Region as a major interest for paleoecological and paleoenvironmental reconstruction.

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Section: Resultsmentioning

confidence: 99%

Xenarthrans of the collection of Santiago Roth from the Pampean Region of Argentina (Pleistocene), in Zurich, Switzerland

Verger

2023

Swiss J Palaeontol

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“…Before conducting analysis, we eliminated non‐independent records, defined here as sequential records of a species at a single camera trap site with less than 30 min interval between them. We also excluded records for Dasypus armadillos as we could not always distinguish between the two species occurring in the region ( D. novemcintus and D. septemcinctus ) and they may differ in their activity patterns (Feijó, 2020; Norris et al., 2010). We then used these independent records to investigate the effect of anthropogenic pressure on activity‐related parameters using a range of statistical analyses described below and summarized in Table 2.…”

Section: Methodsmentioning

confidence: 99%

Limited temporal response of Cerrado mammals to anthropogenic pressure in areas under distinct levels of protection

Ferreira

Newbold

Oliveira³

et al. 2022

Journal of Zoology

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Anthropogenic pressure has well-documented effects on the spatial distribution of biodiversity but it can also have more subtle effects on wildlife, influencing the time of the day and for how long animals are active. These temporal effects have not received much attention from the scientific and conservation community, despite activity being intrinsically related to crucial aspects in an animal's life. Here we use data from a large-scale camera trap survey (517 survey sites covering more than 1000 km 2 ) conducted in areas under distinct levels of protection in the Brazilian Cerrado to investigate the effect of anthropogenic pressure on the activity of mammal species >1 kg. We used both circular statistics and GLMMs to investigate whether species would shift activity towards the night in response to disturbance, resulting in a decrease of diurnal activity in areas under lower protection levels and closer to households. Our results revealed that most species investigated did not show a temporal response to anthropogenic pressure, with only two species responding in the way we expected: tamanduas reduced the probability of daytime activity closer to households and collared peccaries reduced diurnal activity slightly in areas under lower protection levels. Our findings also suggest that environmental factors have a greater influence on species' activity than indicators of pressure in the mosaic of protected areas studied. Although stricter levels of habitat protection are known to have a positive and strong influence on the spatial distribution of many mammal species in the study region, we showed here that human pressure has only a modest effect on the period these species were active. This limited temporal response highlights the need for large natural areas under low disturbance that allow mammal species to respond spatially to threats.

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“…It has the southernmost distribution of the genus, occurring in Brazil, Paraguay, Bolivia, Uruguay, and Argentina. It is present in savanna, grassland, forest, and disturbed habitats (Noss et al, 2010;Feijó, 2020). Until 2010, in Bolivia there were only 22 confirmed records of this species in the Beni, Santa Cruz, and Tarija departments, at altitudes between 100 and 800 m asl (Noss et al, 2010; (Fig.…”

Section: Palabras Clave: Armadillos Cámaras Trampa Nuevos Registros Parque Nacional Y áRea Natural De Manejo Integrado Madidimentioning

confidence: 99%

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2021

Edentata: The Newsletter of the IUCN/SSC Anteater, Sloth and Ar

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Dorsal carapace and osteoderm morphological features have traditionally been widely used in both extinct and extant armadillo systematics. However, the intraspecific variability at the carapace level represents a little studied aspect. In this contribution, we analyzed several dorsal carapaces of Priodontes maximus with the purpose of recording such variability. As a result, we describe a total of seven structures concerning the dorsal carapace osteoderm configuration, including distinct terminations of the osteoderm rows, and the most frequent aberrant shapes of the osteoderms. Though the same type of structure can be usually found in several specimens, its frequency and precise location within the carapace are unique to each individual. In this sense, besides improving anatomical descriptions, the identification of these structures can be potentially implemented as a complementary method to help recognize specific individuals being tracked. Moreover, it can represent a very effective recognition method even a long time after death. Given the general decreasing trend of P. maximus populations, it is important to develop as many monitoring tools as possible, in order to support conservation programs for this species.

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Dasypus septemcinctus (Cingulata: Dasypodidae)

Cited by 7 publications

References 35 publications

Xenarthrans of the collection of Santiago Roth from the Pampean Region of Argentina (Pleistocene), in Zurich, Switzerland

Xenarthrans of the collection of Santiago Roth from the Pampean Region of Argentina (Pleistocene), in Zurich, Switzerland

Limited temporal response of Cerrado mammals to anthropogenic pressure in areas under distinct levels of protection

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