Battus is a synonym for several agnostid trilobites, now assigned to other genera.
In Greek mythology, Battus is a shepherd who witnessed Hermes stealing Apollo's cattle. Because he broke his promise not to reveal this theft, Hermes turned him to stone.
Battus <small>Barrande, 1846</small> was no longer available since Giovanni Antonio Scopoli used Battus in 1777 for a genus of swallowtail butterflies.
A number of species previously assigned to the genus Battus have since been transferred to other genera: