A juvenile bird with possible crown-group affinities from a dinosaur-rich Cretaceous ecosystem in North America
Abstract Background Living birds comprise the most speciose and anatomically diverse clade of flying vertebrates, but their poor early fossil record and the lack of resolution around the relationships of the major clades have greatly obscured extant avian origins. Results Here, I describe a Late Cre...
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| Định dạng: | Bài viết |
| Ngôn ngữ: | English |
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BMC
2024-02-01
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| Loạt: | BMC Ecology and Evolution |
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| Truy cập trực tuyến: | https://doi.org/10.1186/s12862-024-02210-9 |