👉 Phylephebic is a scientific term that refers to the study of phylogeny, which is the classification of organisms based on their genetic or morphological characteristics. It was first used by Charles Darwin in his famous book "On the Origin of Species" in 1859. A phylephebic group is a group of related groups (or species) that share similar features and are genetically related. These groups may be different in size, but they have a common ancestor, which