In Depth
Jamna is a genus of passeriform bird that lived in Eastern Europe during the Oligocene.
Further Reading
- A new passerine bird from the early Oligocene of Poland. - Journal of Ornithology 152 (4): 1045–1053. - Zbigniew M. Bocheński, Teresa Tomek, Małgorzata Bujoczek & Krzysztof Wertz - 2011.