👉 Isognathous, also known as a nomenclatural isognath, is a type of naming system that assigns names to species based on their physical characteristics. In this system, each name is assigned by combining two different properties or attributes of an organism's body parts. For example, in the case of birds, their names are often derived from their wings, as they have unique features such as feathers and the ability to fly. Isognathous naming systems are particularly useful for identifying species