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Front dentition of the omomyiformes (Primates)
Folia Primatologica; International Journal of Primatology
|January 1, 1983
Summary
Fossil primate teeth reveal the extinct Microchoeridae possessed a dental comb, a key feature for primate classification. This finding, evident from wear patterns, dates back to the Late Eocene epoch.
Area of Science:
- Paleontology
- Primate Evolution
- Dental Morphology
Background:
- Primate classification relies heavily on anterior dentition.
- Extant strepsirhines possess a distinct tooth comb.
- Tarsius exhibits unique anterior tooth morphology resembling an owl's beak.
Purpose of the Study:
- To describe the anterior dentition of extinct Microchoeridae.
- To discuss and compare the dental formula of Microchoeridae with Omomyidae.
- To investigate the evolutionary history of primate dental features.
Main Methods:
- Analysis of fossil primate dentition.
- Comparative dental morphology.
- Examination of tooth wear patterns.
Main Results:
- The anterior teeth of Microchoeridae are described.
- The dental formula of Microchoeridae is discussed and compared to Omomyidae.
- Evidence of a dental comb in Microchoeridae was found through wear pattern analysis, dating to the Late Eocene.
Conclusions:
- The presence of a dental comb in extinct Microchoeridae provides insights into early primate evolution.
- Dental morphology, particularly the anterior dentition, is crucial for understanding primate phylogeny.
- Fossil evidence pushes back the known occurrence of the dental comb trait in primates.