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Se trata de una anomalía ordoviciana gigante
Peter Van Roy1, Derek E G Briggs
1Department of Geology and Geophysics, Yale University, PO Box 208109, New Haven, Connecticut 06520, USA.
Nature
|May 27, 2011
Resumen
Los depredadores gigantes del Cámbrico llamados anomalocarídeos persistieron en el Ordoviciano Temprano. Los fósiles de Marruecos revelan que estos grandes animales marinos sobrevivieron 30 millones de años más de lo que se sabía anteriormente.
Área de la Ciencia:
- Paleontología Paleontología.
- Ecosistemas marinos del Paleozoico temprano.
- Artropodos Evolución de la evolución de los artrópodos
Sus antecedentes:
- Los anomalocarídeos eran dominantes, grandes depredadores invertebrados de los mares del Cámbrico, conocidos por sus planos corporales únicos.
- Anteriormente, su registro fósil conocido terminó en el Cámbrico Medio, lo que limita la comprensión de su rango temporal.
- Los análisis filogenéticos sitúan a los anomalocarídeos como artrópodos del tallo, estrechamente relacionados con los euartrópodos.
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