Cupulina

Cupulina
Fossil of Cupulina elata from France
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Subclass: Lithistida
Genus: Cupulina
Courtiller, 1861

Cupulina is an extinct genus of sea sponges belonging to the class Demospongiae.