The Oldest Swallow (Aves: Passeriformes: Hirundinidae) from the Upper Lower Miocene of Southeastern Siberia

A new genus and species of fossil swallows, Miochelidon eschata gen. et sp. nov., are described from the Lower Miocene of the Baikal region. This is the only Miocene representative of Hirundinidae and the oldest fossil record of the group. The coracoid of Miochelidon combines generalized and special...

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Bibliographic Details
Published in:Doklady. Biological sciences 2024-10, Vol.518 (1), p.261-265
Main Author: Volkova, N. V.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Evolutionary Biology
Hirundinidae
Life Sciences
Miocene
New genera
New species
Plant Sciences
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Description
Summary:A new genus and species of fossil swallows, Miochelidon eschata gen. et sp. nov., are described from the Lower Miocene of the Baikal region. This is the only Miocene representative of Hirundinidae and the oldest fossil record of the group. The coracoid of Miochelidon combines generalized and specialized features, suggesting a basal position in the family for the genus. The ulna has a more advanced morphology, like in modern swallows. The find indicates a widespread distribution of basal swallows in the Early Miocene.
ISSN:0012-4966
1608-3105
1608-3105
DOI:10.1134/S0012496624600258