Runcinoidea
Encyclopedia
Runcinoidea is a taxonomic superfamily
(according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
) or a clade Runcinaecea (according to the Malaquias et al. (2009)) of sea slugs, marine
gastropod mollusks in the clade Euopisthobranchia
.
, within informal group Opisthobranchia
in the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
).
They also recognized two families Runcinidae
and Ilbiidae
.
They also recognized two families Runcinidae
(with genus Runcinna) and Ilbiidae
, but they did not mentioned superfamilies.
Taxonomic rank
In biological classification, rank is the level in a taxonomic hierarchy. Examples of taxonomic ranks are species, genus, family, and class. Each rank subsumes under it a number of less general categories...
(according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...
) or a clade Runcinaecea (according to the Malaquias et al. (2009)) of sea slugs, marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...
gastropod mollusks in the clade Euopisthobranchia
Euopisthobranchia
Euopisthobranchia is a taxonomic clade of snails and slugs in the clade Heterobranchia within the clade Euthyneura.Euopisthobranchia was established as a new taxon by Jörger et al...
.
2005 taxonomy
Runcinoidea has been recognized as a superfamily in the clade CephalaspideaCephalaspidea
The suborder Cephalaspidea, also known as the headshield slugs and bubble snails, is a clade of sea slugs and bubble snails, marine gastropod mollusks within the larger clade Euopisthobranchia....
, within informal group Opisthobranchia
Opisthobranchia
Opisthobranchs are a large and diverse group of specialized complex marine gastropods previously united under Opisthobranchia within the Heterobranchia, but no longer considered to represent a monophyletic grouping...
in the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005
Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...
).
They also recognized two families Runcinidae
Runcinidae
Runcinidae is a family of medium-sized, sea slugs, marine opisthobranch gastropod mollusks. They are headshield slugs, in the clade Cephalaspidea ....
and Ilbiidae
Ilbiidae
Ilbiidae is a family of marine opisthobranch gastropod mollusks in the clade Cephalaspidea ....
.
2009 taxonomy
Malaquias et al. (2009) have reinstated Runcinacea as a valid name outside Cephalaspidea.They also recognized two families Runcinidae
Runcinidae
Runcinidae is a family of medium-sized, sea slugs, marine opisthobranch gastropod mollusks. They are headshield slugs, in the clade Cephalaspidea ....
(with genus Runcinna) and Ilbiidae
Ilbiidae
Ilbiidae is a family of marine opisthobranch gastropod mollusks in the clade Cephalaspidea ....
, but they did not mentioned superfamilies.
Families
Families within the Runcinoidea include:- Family RuncinidaeRuncinidaeRuncinidae is a family of medium-sized, sea slugs, marine opisthobranch gastropod mollusks. They are headshield slugs, in the clade Cephalaspidea ....
- Family IlbiidaeIlbiidaeIlbiidae is a family of marine opisthobranch gastropod mollusks in the clade Cephalaspidea ....