Sacculinidae

Sacculinidae
Externae (brown lumps) of two mature female Sacculina individuals on a male Liocarcinus holsatus (Portunidae)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Clade: Mandibulata
Clade: Pancrustacea
Superclass: Multicrustacea
Class: Thecostraca
Subclass: Cirripedia
Infraclass: Rhizocephala
Family: Sacculinidae
Lilljeborg, 1861

The Sacculinidae are a family of barnacles belonging to the parasitic and highly apomorphic infraclass Rhizocephala. The Sacculinidae is one of the two larger families of Rhizocephala, containing six genera: