early Oligocene

2 articles

Jamna: The Basal Passeriform Bird of the Early Oligocene

Jamna: The Basal Passeriform Bird of the Early Oligocene In the study of avian evolution, few discoveries provide as much clarity on the origins of modern birds as the fossil record of th...

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Wieslochia: An Early Oligocene Passerine from Germany

Wieslochia: An Early Oligocene Passerine from Germany The evolutionary history of passerines—the perching birds that make up the majority of modern bird species—is a complex puzzle. One o...

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