Caprella is a large genus of skeleton shrimps belonging to the subfamily Caprellinae of the family Caprellidae. It includes approximately 170 species. The genus was first established by Jean-Baptiste Lamarck in his great work Système des animaux sans vertèbres (1801) to describe Cancer linearis (now Caprella linearis) and Squilla ventricosa (now Phtisica marina).