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| Parent: | Aves [Taxonomy; edit] |
| Rank: | genus (displays as Genus) |
| Link: | †Xenavicula |
| Extinct: | yes |
| Always displayed: | yes (major rank) |
| Taxonomic references: | Mayr, Gerald; Kitchener, Andrew C. (14 October 2024). "Two distinctive, but difficult-to-classify, avian species and a new trogon (Trogoniformes) from the early Eocene London Clay". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 312 (3): 309–323. doi:10.1127/njgpa/2024/1216. ISSN 0077-7749. Retrieved 1 March 2025 – via Schweizerbart Science Publishers. |
| Parent's taxonomic references: | – |