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Nuevos fósiles revelan la mano de Paranthropus boisei
Carrie S Mongle1,2, Caley M Orr3,4, Matthew W Tocheri5,6,7
1Department of Anthropology, Stony Brook University, Stony Brook, NY, USA. carrie.mongle@stonybrook.edu.
Nature
|October 15, 2025
Resumen
Los huesos fósiles de las manos y los pies de Paranthropus boisei revelan adaptaciones manipuladoras y bípedas. Estos hallazgos sugieren que Paranthropus boisei podría hacer y usar herramientas, impactando nuestra comprensión de la evolución temprana de los homínidos y el uso de herramientas.
Área de la Ciencia:
- Paleoantropología
- La evolución del hombre
- Arqueología
Sus antecedentes:
- La capacidad de Paranthropus boisei para crear y utilizar herramientas de piedra ha sido un debate de larga data.
- Este debate se debe en gran medida a la ausencia de huesos de la mano definitivamente vinculados al género Paranthropus.
Objetivo del estudio:
- Para investigar la fabricación de herramientas y las capacidades bípedas de Paranthropus boisei.
- Para analizar huesos de manos y pies recién descubiertos asociados con Paranthropus boisei.
Principales métodos:
- Análisis de huesos fósiles de manos y pies (KNM-ER 101000) inequívocamente asociados con el material craneodental de Paranthropus boisei.
- Análisis morfológico comparativo de las adaptaciones de manos y pies con Homo y otros homínidos, incluidos los gorilas.
Principales resultados:
- Los huesos de manos y pies descubiertos muestran adaptaciones manipuladoras y bípedas compartidas con el género Homo.
- La morfología de la mano de KNM-ER 101000 exhibe una convergencia con los gorilas, lo que sugiere adaptaciones para el procesamiento de alimentos y un poderoso agarre.
- Estos fósiles indican que Paranthropus boisei poseía capacidades para la fabricación y el uso de herramientas.
Conclusiones:
- Paranthropus boisei probablemente poseía la capacidad de fabricar y usar herramientas.
- Los hallazgos apoyan una divergencia de adaptación dietética distinta entre Paranthropus y Homo.
- Este descubrimiento mejora la comprensión de la anatomía postcraneal de Paranthropus, la evolución de la mano de los homínidos y la historia del uso de herramientas.
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