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El Eoceno tardío de Birmania produce el primer primate antropoide más antiguo, Pondaungia cotteri
Nature
|November 1, 1979
Resumen
Una mandíbula de primate fósil de Birmania, fechada hace 40 millones de años, proporciona una nueva evidencia de los primeros Antropóideos (primates superiores). Este descubrimiento apoya a los primates de Pondaung como el registro más antiguo conocido de este grupo.
Área de la Ciencia:
- Paleontología Paleontología.
- Evolución de los Primates Evolución de los Primates
- Antropología Antropología de la Antropología.
Sus antecedentes:
- Los descubrimientos de fósiles de primates en Birmania son raros.
- Los hallazgos previos de Pondaungia cotteri y Amphipithecus mogaungensis son controvertidos.
- Las colinas de Pondaung del Eoceno tardío son un sitio fósil clave.
Objetivo del estudio:
- Para describir un fósil de mandíbula de primate recién descubierto. mandíbula.
- Para proporcionar más pruebas para Pondaungia cotteri.
- Para apoyar la hipótesis de que los primates de Pondaung son los primeros antropóideos.
Principales métodos:
- Excavación y recuperación de un fragmento de mandíbula de primate fósil.
- Datación geológica de los estratos del Eoceno.
- Análisis morfológico de la mandíbula y los dientes de primates.
Principales resultados:
- Se descubrió un fragmento de mandíbula inferior de primate bien conservado con molares.
- El espécimen tiene aproximadamente 40 millones de años.
- La mandíbula exhibe características de los primates superiores.
Conclusiones:
- El nuevo fósil apoya la identificación de Pondaungia cotteri.
- Los primates de Pondaung representan la evidencia más antigua conocida de Anthropoidea.
- Este hallazgo refuerza la importancia de los primates fósiles birmanos en los estudios evolutivos.
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