Runcinida

Runcinida
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Infraclass: Euthyneura
Subterclass: Tectipleura
Order: Runcinida
Synonyms

Runcinacea (change in suffix)

Runcinida is a order of medium-sized sea slugs, marine opisthobranch gastropod mollusks.