probably as a result of climatic changes and environmental pressures

Height 269mm

highlighting the instability of its classification

Ancho 16 mm

Width 86 mm

Machaeroprosopus buceros Paleógeno probably as a result ofMachaeroprosopus buceros was a Late Triassic pseudosuchian archosaur, belonging to the phytosaur group, which inhabited North America approximately 220 to 210 million years ago. It was a large semi aquatic reptile that occupied ecological niches similar to those of modern crocodiles, although it was not directly related to them, but rather represents a convergent lineage within Archosauria. Its most characteristic feature was its extremely elongated