Tetramerorhinus
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| Left lower jaw of Tetramerorhinus mixtum |
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| Scientific classification |
| Domain: |
Eukaryota |
| Kingdom: |
Animalia |
| Phylum: |
Chordata |
| Class: |
Mammalia |
| Order: |
†Litopterna |
| Family: |
†Proterotheriidae |
| Subfamily: |
†Proterotheriinae |
| Genus: |
†Tetramerorhinus
Ameghino 1894 |
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| Type species |
†Tetramerorhinus fortis
Ameghino, 1894 |
| Species |
- T. cingulatum Ameghino 1891
- T. fleaglei Kramarz & Bond 2005
- T. mixtum Ameghino 1894
- T. lucarius Ameghino 1894
- T. prosistens Ameghino 1899
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| Synonyms |
- Proterotherium cingulatum
Ameghino, 1891
- Tetramerorhinus fortis
Ameghino, 1891
- Licaphrium cavum
Zittel, 1893
- Proterotherium principale
Ameghino, 1894
- Tichodon quadrilobus
Ameghino, 1894
- Diadiaphorus santaecrucis
Lydekker, 1894
- Licaphrium proclivum
Ameghino, 1894
- Proterotherium brachygnathum
Ameghino, 1894
- Proterotherium nitens
Ameghino, 1894
- Proterotherium perpolitum
Ameghino, 1894
- Proterotherium karaikense
Ameghino, 1904
- Proterotherium politum
Ameghino, 1904
- Proterotherium brachygnathus
Scott, 1910
- Proterotherium mixtum
Ameghino, 1894
- Proterotherium pyramidatum
Ameghino, 1894
- Proterotherium browni
Scott, 1910
- Proterotherium dodgei
Scott, 1910
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Tetramerorhinus is an extinct genus of proterotheriid litoptern that lived during the Early and Middle Miocene in what is now Argentina and Peru.