Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentition

We analyze the multivariate pattern of lower and upper cheek dentition for the family Hyaenidae along its evolutionary history. A total of 11,698 individual measurements of lengths and widths for the main postcanine teeth were collected for 54 extinct and three extant species of this family and anal...

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Main Authors: Carlos Coca-Ortega, Juan Antonio Pérez-Claros
Format: Article
Language:English
Published: PeerJ Inc. 2019-01-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/6238.pdf
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author Carlos Coca-Ortega
Juan Antonio Pérez-Claros
author_facet Carlos Coca-Ortega
Juan Antonio Pérez-Claros
author_sort Carlos Coca-Ortega
collection DOAJ
description We analyze the multivariate pattern of lower and upper cheek dentition for the family Hyaenidae along its evolutionary history. A total of 11,698 individual measurements of lengths and widths for the main postcanine teeth were collected for 54 extinct and three extant species of this family and analyzed by means of principal component analyses. Our results indicate that the functional aspects are better reflected by lower cheek dentition as a result of mosaic evolution. The multivariate structure captured by the three first principal components correspond to different adaptive strategies. The two first components characterize the main groups of ecomorphs, while hunting species separate from scavengers along the third axis. In the context of Hyaenidae, the post-canine cheek dentition of Parahyaena brunnea and Hyaena hyaena shows an extreme degree of specialization in scavenging.
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spelling doaj.art-cd85a7d180ac4df9a3d34d9d26603a5c2023-12-03T00:59:44ZengPeerJ Inc.PeerJ2167-83592019-01-016e623810.7717/peerj.6238Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentitionCarlos Coca-OrtegaJuan Antonio Pérez-ClarosWe analyze the multivariate pattern of lower and upper cheek dentition for the family Hyaenidae along its evolutionary history. A total of 11,698 individual measurements of lengths and widths for the main postcanine teeth were collected for 54 extinct and three extant species of this family and analyzed by means of principal component analyses. Our results indicate that the functional aspects are better reflected by lower cheek dentition as a result of mosaic evolution. The multivariate structure captured by the three first principal components correspond to different adaptive strategies. The two first components characterize the main groups of ecomorphs, while hunting species separate from scavengers along the third axis. In the context of Hyaenidae, the post-canine cheek dentition of Parahyaena brunnea and Hyaena hyaena shows an extreme degree of specialization in scavenging.https://peerj.com/articles/6238.pdfHyaenidaeTeethEvolutionDurophagyEcomorphology
spellingShingle Carlos Coca-Ortega
Juan Antonio Pérez-Claros
Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentition
PeerJ
Hyaenidae
Teeth
Evolution
Durophagy
Ecomorphology
title Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentition
title_full Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentition
title_fullStr Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentition
title_full_unstemmed Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentition
title_short Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentition
title_sort characterizing ecomorphological patterns in hyenids a multivariate approach using postcanine dentition
topic Hyaenidae
Teeth
Evolution
Durophagy
Ecomorphology
url https://peerj.com/articles/6238.pdf
work_keys_str_mv AT carloscocaortega characterizingecomorphologicalpatternsinhyenidsamultivariateapproachusingpostcaninedentition
AT juanantonioperezclaros characterizingecomorphologicalpatternsinhyenidsamultivariateapproachusingpostcaninedentition