Overview
Taxonomy
The Superorder heterobranchia is further organized into finer groupings including:
- Order (6): Allogastropoda · Cephalaspidea · Heterobranchia · Heterostropha · Opisthobranchia · Pulmonata
Orders
Allogastropoda
Cephalaspidea
Heterobranchia
Heterobranchia, the heterobranchs, (meaning "different-gilled snails"), is a taxonomic superorder of sea snails, marine gastropod mollusks. [more]
Heterostropha
Opisthobranchia
An opisthobranch (pronounced /ō-pĭsʹthə-brăngk/) is any member of the very large and diverse group of rather specialized, highly evolved marine slugs and snails (marine gastropod mollusks) known as Opisthobranchia, within the Heterobranchia. [more]
Pulmonata
The Pulmonata or "pulmonates" are an order (once a subclass) of snails and slugs that have developed a pallial lung and thus can breathe air. The group includes many land and freshwater families and a few marine ones. [more]
At least 6,227 species and subspecies belong to the Order pulmonata.
More info about the Order pulmonata may be found here.
Sources
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