Researchers working on a fossil site in Colombia have uncovered a diverse ancient sea dominated by giant reptiles and sharks, and describe a pattern of evolutionary change that happened without mass extinctions.
Ancient Colombian fossils reveal predator-rich ocean and a new pattern of evolution
Researchers working on a fossil site in Colombia have uncovered a diverse ancient sea dominated by giant reptiles and sharks, and describe a pattern of evolutionary change that happened without mass extinctions.
Creator: Dmitry Bogdanov · CC BY 3.0 · rights
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