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Ostrich ancestors found in the Northern Hemisphere suggest new hypothesis of ratite origins

https://doi.org/10.1038/324563a0
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Outgoing claims: the papers this work cites, builds on, or argues with.

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Evolution of flightless land birds on southern continents: Transferrin comparison shows monophyletic origin of ratites
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Continental drift, paleoclimatology, and the evolution and biogeography of birds
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PHYLOGENY AND EVOLUTION OF THE RATITE BIRDS
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Paleognathous Carinate Birds from the Early Tertiary of North America
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An Atlas of Positive Contrast Myelography
inferredcites →https://doi.org/10.2307/1365318openalex-snapshot
An Additional Character Linking Ratites and Tinamous, and an Interpretation of Their Monophyly

What points at this work

Incoming claims: where this work appears in other papers’ reference lists and arguments.

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