(Osthimosia) (Osthimosia) is a biological genus in the family Celleporidae and order Cheilostomata.
Osthimosia bicornis
Osthimosia eatonensis
Osthimosia imperforata
Osthimosia incomposita
Osthimosia virgula
Buffonellaria
Buskea
Cellepora
Celleporina
Costazia
Galeopsis
Lagenipora
Omalosecosa
Osthimosia
Trematoecia
Turbicellepora