👉 Gregarinida is a family of bacteria belonging to the genus Galarina. This family includes several genera that are commonly found in the gut microbiota of humans and other animals, particularly those that are involved in food digestion and nutrient absorption. The term "gregarinida" refers to the fact that these bacteria have a similar structure to certain types of graverin (an enzyme) which is known for its role in regulating the balance of nutrients in the gut, specifically in relation to