Silesauridae A clade in the dinosaur family tree. The entries below are classified within it. Asilisaurus 247–242 Mya · South America Gamatavus antiquus 247–237 Mya · South America Lutungutali 247–237 Mya · Tanzania Pseudolagosuchus 241.5–72.2 Mya Diodorus 237–205.7 Mya Kwanasaurus 237–201 Mya · Spain Silesaurus 237–201 Mya Lewisuchus 236–234 Mya · South America Amanasaurus 233.23 Mya · Brazil Sacisaurus 225 Mya · Brazil Soumyasaurus 220 Mya Eucoelophysis 212 Mya · Mexico Technosaurus 210 Mya · United States