| Ludiortyx Temporal range: Late Eocene
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| Skeleton | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Gruiformes (?) |
| Genus: | Ludiortyx Brodkorb, 1964 |
| Species: | L. hoffmanni
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| Binomial name | |
| Ludiortyx hoffmanni (Gervais, 1852)
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| Synonyms | |
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Genus:
Species:
and see text | |
Ludiortyx is a bird genus from the Late Eocene. Its remains have been found in the Montmartre Formation at the Montmartre (Paris, France). A single species is accepted, Ludiortyx hoffmanni.
This bird is of uncertain relationships; it has been variously considered to be an ancestral rail or to belong to the Quercymegapodiidae, a prehistoric group of Galliformes (landfowl). The material assigned to it were initially considered to be of 2 species, one that was at first believed to be a Tringa wader, the other assigned to the galliform genus Palaeortyx.[1] Even the latter assignment was probably much in error as though its relationships are not known, Palaeortyx was probably not a quercymegapodiid.
Apart from the genus-level synonym Eortyx, L. hoffmanni has undergone quite a number of name changes due to the confusion about its placement: [1]