A new Middle Miocene tarsier from Thailand and the reconstruction of its orbital morphology using a geometric-morphometric method
Tarsius is an extant genus of primates endemic to the islands of Southeast Asia that is characterized by enormously enlarged orbits reflecting its nocturnal activity pattern. Tarsiers play a pivotal role in reconstructing primate phylogeny, because they appear to comprise, along with Anthropoidea, one of only two extant haplorhine clades. Their fossils are extremely rare. Here, we describe a new species of Tarsius from the Middle Miocene of Thailand. We reconstructed aspects of its orbital morphology using a geometric-morphometric method. The result shows that the new species of Tarsius had a very large orbit (falling within the range of variation of modern Tarsius) with a high degree of frontation and a low degree of convergence. Its relatively divergent lower premolar roots suggest a longer mesial tooth row and therefore a longer muzzle than in extant species. The new species documents a previous unknown Miocene group of Tarsius, indicating greater taxonomic diversity and morphological complexity during tarsier evolution. The current restriction of tarsiers to offshore islands in Southeast Asia appears to be a relatively recent phenomenon.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2011 |
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| Erschienen: |
2011 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:278 |
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| Enthalten in: |
Proceedings. Biological sciences - 278(2011), 1714 vom: 07. Juli, Seite 1956-63 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chaimanee, Yaowalak [VerfasserIn] |
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| Anmerkungen: |
Date Completed 03.10.2011 Date Revised 20.10.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1098/rspb.2010.2062 |
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| PPN (Katalog-ID): |
NLM204029481 |
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| 100 | 1 | |a Chaimanee, Yaowalak |e verfasserin |4 aut | |
| 245 | 1 | 2 | |a A new Middle Miocene tarsier from Thailand and the reconstruction of its orbital morphology using a geometric-morphometric method |
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| 500 | |a Date Revised 20.10.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Tarsius is an extant genus of primates endemic to the islands of Southeast Asia that is characterized by enormously enlarged orbits reflecting its nocturnal activity pattern. Tarsiers play a pivotal role in reconstructing primate phylogeny, because they appear to comprise, along with Anthropoidea, one of only two extant haplorhine clades. Their fossils are extremely rare. Here, we describe a new species of Tarsius from the Middle Miocene of Thailand. We reconstructed aspects of its orbital morphology using a geometric-morphometric method. The result shows that the new species of Tarsius had a very large orbit (falling within the range of variation of modern Tarsius) with a high degree of frontation and a low degree of convergence. Its relatively divergent lower premolar roots suggest a longer mesial tooth row and therefore a longer muzzle than in extant species. The new species documents a previous unknown Miocene group of Tarsius, indicating greater taxonomic diversity and morphological complexity during tarsier evolution. The current restriction of tarsiers to offshore islands in Southeast Asia appears to be a relatively recent phenomenon | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Lebrun, Renaud |e verfasserin |4 aut | |
| 700 | 1 | |a Yamee, Chotima |e verfasserin |4 aut | |
| 700 | 1 | |a Jaeger, Jean-Jacques |e verfasserin |4 aut | |
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