Reconstruction of Postosuchus kirkpatricki （圖片來源：Petrified Forest，採用  CC BY 2.0  授權） Age Triassic（Norian-Rhaetian） 221-203 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Sauropsida Family: Rauisuchidae Genus: Postosuchus Species: Postosuchus kirkpatricki Morphological description The skull of Postosuchus kirkpatricki  is elongate and relatively narrow, with an average length of approximately 55 cm. The most distinctive autapomorphic features include a prominent rugose

Artistic reconstruction of Rauisuchus tiradentes （圖片來源：Paleocolour，採用  CC BY-SA 4.0  授權） Age Triassic（Carnian-Early Rhaetian） 235-228 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Sauropsida Order: Rauisuchia Family: Rauisuchidae Genus: Rauisuchus Species: Rauisuchus tiradentes Morphological description Rauisuchus tiradentes  reached an estimated total length of about 4 meters, with a hip height of approximately 90 cm and a body mass around 250 kg. Its overall appear