👉 Lychnophorinae is a family of extinct, non-avian dinosaurs known for their unique and distinctive features. These animals were part of the group called Cretaceous-Paleogene (K-Pg) dinosaurs, which lived during the Late Cretaceous period from about 68 to 59 million years ago. The most well-known dinosaur is the Tyrannosaurus Rex, which was a large, powerful carnivore with a massive size and long neck.