Journal ArticleInternational Journal of Primatology · August 1, 2024
Studies integrating patterns of molar morphology and diet are particularly useful to address questions of evolutionary history and diet in extinct taxa. However, such studies are lacking among lorisoids compared with other primates. Lorisoidea is distincti ...
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Journal ArticleAnatomical record (Hoboken, N.J. : 2007) · June 2024
Dental caries is one of the most common diseases afflicting modern humans and occurs in both living and extinct non-human primates, as well as other mammalian species. Compared to other primates, less is known about the etiology or frequency of caries amon ...
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Journal ArticleJournal of Mammalogy · June 1, 2024
Sympatric animals may consume diets of differing breadths as a strategy to reduce competition. Studying patterns of dietary breadth in extinct taxa is difficult because available data are generally limited to morphology. Dental topographic analysis (DTA) i ...
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Journal ArticleJournal of human evolution · February 2024
Cercopithecins differ from papionins in lacking a M3 hypoconulid. Although this loss may be related to dietary differences, the functional and developmental ramifications of hypoconulid loss are currently unclear. The following makes use of dent ...
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Journal ArticleMammal Research · October 1, 2023
Mustelids are an ecologically diverse group of mammals that span several dietary niches. Compared to other mammalian clades, however, less is known about how the morphology of the dentition reflects these dietary differences. The following examines dental ...
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Journal ArticleJournal of Mammalian Evolution · December 1, 2022
The dentition can be thought of as comprising a series of functional modules, which may include pre-ingestive food preparation, ingestion, sexual signalling, and mastication. Changes in diet may be manifested in shifts in the boundaries between these modul ...
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Journal ArticleJournal of Paleontology · November 28, 2022
The fossil record of treeshrews, hedgehogs, and other micromammals from the Lower Siwaliks of India is sparse. Here, we report on a new genus and species of fossil treeshrew, specimens of the hedgehog Galerix, and other micromammals from the middle Miocene ...
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Journal ArticleJournal of Paleontology · November 1, 2022
The published version of this article (Sehgal et al., 2022) contained an error in the caption of Figure 8. The caption for Figure 8.4 should instead be the caption for Figure 8.5, and the caption for Figure 8.5 should be the caption for Figure 8.4. Note th ...
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Journal ArticlePalaeontology · September 1, 2021
Microsyopidae is a family of plesiadapiforms known from over 1500 stratigraphically controlled specimens from the southern Bighorn Basin of Wyoming spanning the first three million years of the early Eocene. The early Eocene is characterized by rapid fluct ...
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Journal ArticleScientific reports · September 2021
Dental cavities or caries is a common disease among modern humans, affecting almost every adult. Caries frequency has been used to study dietary change in humans over time, based on an inferred tie between the incidence of caries and a carbohydrate-rich di ...
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Journal ArticleAmerican journal of physical anthropology · April 2021
ObjectivesOne role of dental pulp is in the upkeep and maintenance of dentine. Under wear, odontoblasts in the pulp deposit tertiary dentine to ensure the sensitive internal dental tissues are not exposed and vulnerable to infection. It follows th ...
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Journal ArticleBiology letters · February 2021
The early Eocene of the southern Bighorn Basin, Wyoming, is notable for its nearly continuous record of mammalian fossils. Microsyopinae (?Primates) is one of several lineages that shows evidence of evolutionary change associated with an interval referred ...
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Journal ArticleProceedings of the National Academy of Sciences of the United States of America · January 2021
Identifying developmental explanations for the evolution of complex structures like mammalian molars is fundamental to studying phenotypic variation. Previous study showed that a "morphogenetic gradient" of molar proportions was explained by a balance betw ...
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Journal ArticleJournal of Vertebrate Paleontology · January 1, 2021
Variation in postcanine teeth is relevant to answering questions about both taxonomy and diet. In such contexts, understanding the patterns and the amounts of variation present in a single species is fundamentally important. Here we use dental topographic ...
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Journal ArticleJournal of Paleontology · November 1, 2020
Treeshrews are small, Indomalayan mammals closely related to primates. Previously, three-dimensional geometric morphometric analyses were used to assess patterns of treeshrew lower second molar morphology, which showed that the positions of molar landmarks ...
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Journal ArticleAnatomical record (Hoboken, N.J. : 2007) · February 2020
Exudativory, the consumption of gums, is an obligate or a facultative dietary niche for some primates and marsupials. Exudativory has been cited as a dietary niche that may have been present in early primates, so finding a dental signature for exudativory ...
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Journal ArticleFolia primatologica; international journal of primatology · January 2020
Gummivory poses unique challenges to the dentition as gum acquisition may often require that the anterior teeth be adapted to retain a sharp edge and to resist loading because they sometimes must penetrate a highly obdurate substrate during gum extraction ...
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Chapter · January 1, 2020
The first primate-like mammals to appear in the fossil record date to the earliest Palaeocene (Clemens, 2004; Fox and Scott, 2011; Silcox and López-Torres, 2017; Van Valen and Sloan, 1965), and the first primates of modern aspect (euprimates) do not appear ...
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Chapter · January 1, 2020
Toothcombs have evolved independently in various mammalian lineages, including primates, scandentians and dermopterans, but the presence of a six-toothed toothcomb composed of four lower incisors and two canines (I1, I2 and C1, bilaterally) is a distinctiv ...
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Journal ArticleInternational Journal of Primatology · August 1, 2024
Studies integrating patterns of molar morphology and diet are particularly useful to address questions of evolutionary history and diet in extinct taxa. However, such studies are lacking among lorisoids compared with other primates. Lorisoidea is distincti ...
Full textCite
Journal ArticleAnatomical record (Hoboken, N.J. : 2007) · June 2024
Dental caries is one of the most common diseases afflicting modern humans and occurs in both living and extinct non-human primates, as well as other mammalian species. Compared to other primates, less is known about the etiology or frequency of caries amon ...
Full textCite
Journal ArticleJournal of Mammalogy · June 1, 2024
Sympatric animals may consume diets of differing breadths as a strategy to reduce competition. Studying patterns of dietary breadth in extinct taxa is difficult because available data are generally limited to morphology. Dental topographic analysis (DTA) i ...
Full textCite
Journal ArticleJournal of human evolution · February 2024
Cercopithecins differ from papionins in lacking a M3 hypoconulid. Although this loss may be related to dietary differences, the functional and developmental ramifications of hypoconulid loss are currently unclear. The following makes use of dent ...
Full textCite
Journal ArticleMammal Research · October 1, 2023
Mustelids are an ecologically diverse group of mammals that span several dietary niches. Compared to other mammalian clades, however, less is known about how the morphology of the dentition reflects these dietary differences. The following examines dental ...
Full textCite
Journal ArticleJournal of Mammalian Evolution · December 1, 2022
The dentition can be thought of as comprising a series of functional modules, which may include pre-ingestive food preparation, ingestion, sexual signalling, and mastication. Changes in diet may be manifested in shifts in the boundaries between these modul ...
Full textOpen AccessCite
Journal ArticleJournal of Paleontology · November 28, 2022
The fossil record of treeshrews, hedgehogs, and other micromammals from the Lower Siwaliks of India is sparse. Here, we report on a new genus and species of fossil treeshrew, specimens of the hedgehog Galerix, and other micromammals from the middle Miocene ...
Full textCite
Journal ArticleJournal of Paleontology · November 1, 2022
The published version of this article (Sehgal et al., 2022) contained an error in the caption of Figure 8. The caption for Figure 8.4 should instead be the caption for Figure 8.5, and the caption for Figure 8.5 should be the caption for Figure 8.4. Note th ...
Full textCite
Journal ArticlePalaeontology · September 1, 2021
Microsyopidae is a family of plesiadapiforms known from over 1500 stratigraphically controlled specimens from the southern Bighorn Basin of Wyoming spanning the first three million years of the early Eocene. The early Eocene is characterized by rapid fluct ...
Full textOpen AccessCite
Journal ArticleScientific reports · September 2021
Dental cavities or caries is a common disease among modern humans, affecting almost every adult. Caries frequency has been used to study dietary change in humans over time, based on an inferred tie between the incidence of caries and a carbohydrate-rich di ...
Full textCite
Journal ArticleAmerican journal of physical anthropology · April 2021
ObjectivesOne role of dental pulp is in the upkeep and maintenance of dentine. Under wear, odontoblasts in the pulp deposit tertiary dentine to ensure the sensitive internal dental tissues are not exposed and vulnerable to infection. It follows th ...
Full textOpen AccessCite
Journal ArticleBiology letters · February 2021
The early Eocene of the southern Bighorn Basin, Wyoming, is notable for its nearly continuous record of mammalian fossils. Microsyopinae (?Primates) is one of several lineages that shows evidence of evolutionary change associated with an interval referred ...
Full textCite
Journal ArticleProceedings of the National Academy of Sciences of the United States of America · January 2021
Identifying developmental explanations for the evolution of complex structures like mammalian molars is fundamental to studying phenotypic variation. Previous study showed that a "morphogenetic gradient" of molar proportions was explained by a balance betw ...
Full textOpen AccessCite
Journal ArticleJournal of Vertebrate Paleontology · January 1, 2021
Variation in postcanine teeth is relevant to answering questions about both taxonomy and diet. In such contexts, understanding the patterns and the amounts of variation present in a single species is fundamentally important. Here we use dental topographic ...
Full textCite
Journal ArticleJournal of Paleontology · November 1, 2020
Treeshrews are small, Indomalayan mammals closely related to primates. Previously, three-dimensional geometric morphometric analyses were used to assess patterns of treeshrew lower second molar morphology, which showed that the positions of molar landmarks ...
Full textOpen AccessCite
Journal ArticleAnatomical record (Hoboken, N.J. : 2007) · February 2020
Exudativory, the consumption of gums, is an obligate or a facultative dietary niche for some primates and marsupials. Exudativory has been cited as a dietary niche that may have been present in early primates, so finding a dental signature for exudativory ...
Full textCite
Journal ArticleFolia primatologica; international journal of primatology · January 2020
Gummivory poses unique challenges to the dentition as gum acquisition may often require that the anterior teeth be adapted to retain a sharp edge and to resist loading because they sometimes must penetrate a highly obdurate substrate during gum extraction ...
Full textOpen AccessCite
Chapter · January 1, 2020
The first primate-like mammals to appear in the fossil record date to the earliest Palaeocene (Clemens, 2004; Fox and Scott, 2011; Silcox and López-Torres, 2017; Van Valen and Sloan, 1965), and the first primates of modern aspect (euprimates) do not appear ...
Full textCite
Chapter · January 1, 2020
Toothcombs have evolved independently in various mammalian lineages, including primates, scandentians and dermopterans, but the presence of a six-toothed toothcomb composed of four lower incisors and two canines (I1, I2 and C1, bilaterally) is a distinctiv ...
Full textCite
Journal ArticleJournal of Mammalogy · December 19, 2019
The ecology, and particularly the diet, of treeshrews (order Scandentia) is poorly understood compared to that of their close relatives, the primates. This stems partially from treeshrews having fast food transit times through the gut, meaning fecal and st ...
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Journal ArticleJournal of Mammalian Evolution · December 1, 2019
Molar morphology plays a key role in the systematics and behavioral interpretation of fossil taxa, so understanding the developmental patterns that shape occlusal morphology in modern taxa is of central importance to informing analysis of the fossil record ...
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Journal ArticleAnatomical record (Hoboken, N.J. : 2007) · July 2019
Scandentia (treeshrews) is an order of small-bodied Indomalayan mammals generally agreed to be a member of Euarchonta with Primates and Dermoptera (colugos). However, intraordinal relationships among treeshrews are less well understood. Although recent stu ...
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Journal ArticleHistorical Biology · February 17, 2018
Plesiadapiforms, appearing near the Cretaceous-Paleogene boundary, represent the first primate radiation and show a diverse array of tooth morphologies. Dental topographic metrics provide quantitative data on occlusal surface shape. We used three metrics, ...
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