Molecular systematics of the Hyaenidae: relationships of a relictual lineage resolved by a molecular supermatrix

Molecular Phylogenetics and Evolution
Klaus-Peter KoepfliRobert K Wayne

Abstract

The four extant species of hyenas (Hyaenidae; Carnivora) form a morphologically and ecologically heterogeneous group of feliform carnivorans that are remnants of a formerly diverse group of mammalian predators. They include the aardwolf (Proteles cristatus), a termite-feeding specialist, and three species with a craniodental morphology adapted to cracking the bones of prey and/or carcasses, the spotted hyena (Crocuta crocuta), brown hyena (Parahyaena brunnea), and striped hyena (Hyaena hyaena). Hyenas have been the subject of a number of systematic studies during the last two centuries, due in large part to the extensive fossil record of the group, with nearly 70 described fossil species. Morphological studies incorporating both fossil and living taxa have yielded different conclusions regarding the evolutionary relationships among living hyenas. We used a molecular supermatrix comprised of seven nuclear gene segments and the complete mitochondrial cytochrome b gene to evaluate phylogenetic relationships among the four extant hyaenid species. We also obtained sequence data from representative species of all the main families of the Feliformia (Felidae, Herpestidae, and Viverridae) to estimate the sister group of the Hyaenidae. ...Continue Reading

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Citations

Feb 10, 2007·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Kay E HolekampBarbara L Lundrigan
Mar 28, 2009·Proceedings. Biological Sciences·Heather E WattsKay E Holekamp
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Feb 25, 2021·Molecular Biology and Evolution·M V WestburyMichael Hofreiter
Aug 25, 2021·Molecular Biology and Evolution·Michael V WestburyMichael Hofreiter

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