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Six quadrate bones, of which two almost certainly come from the Kem Kem beds (Cenomanian, Upper Cretaceous) of south-eastern Morocco, are determined to be from juvenile and adult individuals of Spinosaurinae based on phylogenetic, geometric morphometric, and phylogenetic morphometric analyses. Leer más.

Australian scientists Wednesday said they had devised an «innovative method of conservation» through feeding giant monitor lizards small cane toads so they won’t be killed by larger-sized amphibians. Cane toads, an invasive species from Central and South America that were introduced to Australia in 1935, are so toxic they can kill predators that try to eat them and are continuing to spread across northern Australia at an estimated 40-60 kilometres (25-37 miles) a year. Leer más.