| 词条 | Physornis |
| 释义 |
| name = Physornis | image = Physornis museu nacional rio.jpg | fossil_range = Mid-Late Oligocene (Deseadan) ~{{fossil range|29.2|26.3}} | genus = Physornis | species = fortis | authority = Ameghino 1894 | synonyms =
}}Physornis is an extinct genus of giant flightless predatory birds of the family Phorusrhacidae or "terror birds", within the subfamily Brontornithinae, that lived in Argentina. The type species is P. fortis. It lived during the Middle to Late Oligocene (Deseadan). Fossils of Physornis have been found in strata of 29.2 to 26.3 million years old, belonging to the Sarmiento Formation.[1] References{{Portal|Argentina|Birds|Paleogene|Paleontology}}1. ^Physornis at Fossilworks.org External links
Further reading
8 : Brontornithinae|Oligocene birds|Paleogene birds of South America|Deseadan|Paleogene Argentina|Fossils of Argentina|Fossil taxa described in 1895|Taxa named by Florentino Ameghino |
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