Stricklandiidae

Aenigmastricklandia Ziegler, 1966

Costistricklandia

Ehlersella Boucot & Johnson, 1966

Kulumbella Nikiforova, 1960

Microcardinalia Boucot & Ehlers, 1963

Plicostricklandia Boucot & Ehlers, 1963

Stricklandia Billings, 1859

Stricklandiella Sapel'nikov & Rukavishnikova, 1973