👉 The term "stomatodaeal" refers to a group of animals that are characterized by having a single digestive system, including both an esophagus and a stomach. These animals also have multiple teeth in their lower jaw, which they use for chewing food. However, unlike other stomatodaeal animals, which include birds, reptiles, and mammals, the mouth of a stomatodaeal animal is not used for eating; instead, it serves as a digestive organ