All members of this genus were once considered part of the same species, Calomyscus bailwardi, but they are now referred to as separate species due to major differences in chromosome number, skull measurements, and other features.
All members of this genus were once thought of as part of the same species. That species was Calomyscus bailwardi. They are now referred to as separate species. This change was because of major differences in chromosome number, skull measurements, and other features.