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Lithornithidae is an extinct, possibly paraphyletic (but see below) group of early paleognath birds. They are known from fossils dating to the Upper Paleocene through the Middle Eocene of North America and Europe, with possible Late Cretaceous representatives. All are extinct today; the youngest specimen is the currently unnamed SGPIMH MEV1 specimen from…
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houde 1988 pediorallus lithornis harrison paracathartes tinamous 1984 pseudocrypturus promusophaga modern early eocene walker 1977 parvigyps lithornithids vulturinus paraphyletic paleocene
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Lithornithidae | is a | extinct | 0.90 | text |
| Lithornithidae | related to Taxonomy | Lithornithiformes Houde | 0.60 | section |
| Lithornithidae | related to Taxonomy | Lithornithidae Houde | 0.60 | section |
| Lithornithidae | related to Taxonomy | False | 0.60 | section |
| Lithornithidae | related to Taxonomy | Calciavis | 0.60 | section |
| Lithornithidae | related to Taxonomy | Nesbitt | 0.60 | section |
| Lithornithidae | related to Taxonomy | Fissuravis | 0.60 | section |
| Lithornithidae | related to Taxonomy | Mayr | 0.60 | section |
| Lithornithidae | related to Taxonomy | Paracathartes | 0.60 | section |
| Lithornithidae | related to Taxonomy | Harrison | 0.60 | section |
| Lithornithidae | related to Taxonomy | Early Eocene | 0.60 | section |
| Lithornithidae | related to Taxonomy | WC US | 0.60 | section |
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