Acalle (sponge)

Acalle
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Order: Spongillida
Family: Metaniidae
Genus: Acalle
Gray, 1867

Acalle is a genus of freshwater sponges in the family Metaniidae.

The species of this genus are found in South America, specifically the Amazon River region of Brazil.