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Phylogeography of Brown Bears (Ursus arctos) of Alaska and Paraphyly within the Ursidae
Molecular Phylogenetics and Evolution, 1996Complete nucleotide sequences of the mitochondrial cytochrome b, tRNA(prolime), and tRNA(threonine) genes were described for 166 brown bears (Ursus arctos) from 10 geographic regions of Alaska to describe natural genetic variation, construct a molecular phylogeny, and evaluate classical taxonomies.
S L, Talbot, G F, Shields
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Feeding ecology and morphology of the upper canines in bears (carnivora: Ursidae)
Journal of Morphology, 2008AbstractThe morphology and mechanical strength of the upper canines in all eight extant species of ursids is analyzed, and the findings are discussed in relation to feeding ecology. Ursids have proportionally smaller canines than other large carnivores with a specialized feeding ecology, such as large felids, and the upper canine morphology is both ...
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The fossil record of Arctodus pristinus (Ursidae: Tremarctinae) in Florida
Bulletin of the Florida Museum of Natural History, 1995Cranial and postcranial elements of at least eight individuals of Arctodus pristinus (Ursidae: Tremarctinae) are reported from Leisey Shell Pit, an early Irvingtonian vertebrate locality within a marine shell bed. Dental measurements indicate that two distinct sizes, presumably representing males and females, are recognizable in the collection.
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New Taxa of Alpine Cave Bears (Ursidae, Carnivora)
2004Rabeder Gernot, Hofreiter Michael, Withalm Gerhard, Nagel Doris. New Taxa of Alpine Cave Bears (Ursidae, Carnivora). In: Cahiers scientifiques du Muséum d'histoire naturelle de Lyon. Hors-série, tome 2, 2004. Actes du 9e symposium international sur l'ours des cavernes.
Rabeder, G. +3 more
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