Un cráneo de reptil permite identificar un enorme cocodrilo extinto en Australia de supuesta ascendencia europea
Publicado: 17 jun 2021 00:07 GMT Una reconstrucción de la cabeza del animal señala que pertenecía a una especie desconocida y de tamaño descomunal.
Una reconstrucción del aspecto físico del jefe del río australianoHein Nouwens / Shutterstock
El cocodrilo más grande que existió en Australia ya extinto , identificado recientemente gracias a un fragmento fosilizado de cráneo, probablemente tenía ascendencia europea, afirman los paleobiólogos Jorgo Ristevski y Steven Salisbury en un artículo publicado en el sitio web The Conversation este 15 de junio.
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Swamp skink (
Lissolepis coventryi), which is probably the living lizard most similar to the new fossil. Photograph: Dr Mark Hutchinson/SA Museum / Flinders University
A tiny fossil pulled from the edge of a scorching salt lake in the South Australian outback is the oldest known remains of a skink ever found on the continent and may provide a vital clue to the lizard’s evolution.
The team of palaeontologists and volunteers from Flinders University and the South Australian Museum found the 25m-year-old specimen during an excavation in 2017.
The researchers found the fossil while digging in Lake Pinpa, a site on the 602,000 square hectare Frome Downs station about 600km north of Adelaide that is littered with remains of animals that lived a millennia ago.