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| Title: | Homologies of the anterior teeth in Indriidae and a functional basis for dental reduction in primates |
| Authors: | Gingerich, Philip D. |
| Issue Date: | Nov-1977 |
| Publisher: | Wiley Subscription Services, Inc., A Wiley Company |
| Citation: | Gingerich, Philip D. (1977)."Homologies of the anterior teeth in Indriidae and a functional basis for dental reduction in primates." American Journal of Physical Anthropology 47(3): 387-393. <http://hdl.handle.net/2027.42/37577> |
| Abstract: | In a recent paper Schwartz ('74) proposes revised homologies of the deciduous and permanent teeth in living lemuriform primates of the family Indriidae. However, new evidence provided by the deciduous dentition of Avahi suggests that the traditional interpretations are correct, specifically: (1) the lateral teeth in the dental scraper of Indriidae are homologous with the incisors of Lemuridae and Lorisidae, not the canines; (2) the dental formula for the lower deciduous teeth of indriids is 2.1.3; (3) the dental formula for the lower permanent teeth of indriids is 2.0.2.3; and (4) decrease in number of incisors during primate evolution was usually in the sequence I3, then I2, then I1. It appears that dental reduction during primate evolution occurred at the ends of integrated incisor and cheek tooth units to minimize disruption of their functional integrity. |
| URI: | http://hdl.handle.net/2027.42/37577
http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db
=pubmed&list_uids=931018&dopt=citation |
| ISSN: | 0002-9483
1096-8644 |
| Other Identifiers: | 10.1002/ajpa.1330470307 |
| PMID: | 931018 |
| Appears in Collections: | Interdisciplinary and Peer-Reviewed
Ecology and Evolutionary Biology, Department of (EEB)
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| 1330470307_ftp.pdf | | 444Kb | Adobe PDF | View/Open |
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