Heterobranchia

Heterobranchia
Temporal range:
Four examples of Heterobranchia
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
J.E. Gray, 1840
Taxonomic subcategories

informal group Lower Heterobranchia
clade Nudipleura
clade Euopisthobranchia
clade Panpulmonata

Heterobranchia, the heterobranchs (meaning "different-gilled snails"), is a taxonomic clade of snails and slugs, which includes marine, aquatic and terrestrial gastropod mollusks.

Heterobranchia is one of the main clades of gastropods. Currently Heterobranchia comprises three informal groups: the lower heterobranchs, the opisthobranchs and the pulmonates.

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