Baerida is 'n orde van sponsdiere uit die klas van die Calcarea (kalksponse). Baeriidae (Borojevic, Boury-Esnault & Vacelet, 2000) Lepidoleuconidae (Vacelet, 1967) Petrobionidae (Borojevic, 1979) Trichogypsiidae (Borojevic, Boury-Esnault & Vacelet, 2000)