According to one of the features of a typical beasthuman, if a beast has no legs (such as fish, marine mammals, snakes or slugs), then a beasthuman will have a corresponding tail instead of legs, and structurally resemble a mermaid. However, it may be necessary to create a bipedal beasthuman with the features taken from a specific legless beast. In this case, the following method should be taken into consideration.

One should create a new, usually hybrid, species of a beast that will have legs. Consequently, a beasthuman derived from such a beast will also have legs.

This method can be demonstrated by the example of a sharkhuman. In order to endow this beasthuman with legs, one should create a hybrid beast. For the purposes of this demonstration, let it be a creature called a "shasaur", which is simply a shark with proportionally developed limbs of a lizard. Consequently, a beasthuman derived from it will be called "shasaurmorphic human", or "shasaurhuman" for short. According to the features of a typical beasthuman, a shasaurhuman will have a number of features from the aforementioned hybrid beast, including legs.