👉 Trachodontidae is a family of mammals in the order Carnivora. This group includes various extinct and modern species that lived during the late Cretaceous period (around 68-74 million years ago) and are known for having small, toothless teeth with an elongated snout. This family encompasses a wide range of animals including: 1. Trachyplatynidae: These are the smallest members of the family, found in South America. 2.