Brachycnemina

Zoanthidae is a family of cnidarians.

Sphenopidae is a family of cnidarians.

Neozoanthus is a genus of corals belonging to the monotypic family Neozoanthidae.

Brachycnemina is a suborder of zoanthids in the order Zoantharia. Genetic analysis has been used to suggest Brachycnemina is a monophyletic group diverging within the paraphyletic Macrocnemina.