Umbraculoidea
Encyclopedia
The superfamily
Umbraculoidea are marine gastropod molluscs.
These are two families of unusual false limpets, with a thin soft patelliform shell.
(Acteonoidea
excluded).
in the taxonomy of Bouchet & Rocroi
(2005).
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...
Umbraculoidea are marine gastropod molluscs.
These are two families of unusual false limpets, with a thin soft patelliform shell.
Taxonomy
A study by Grande et al., published in 2004, concluded that Umbraculoidea was a sister clade to the 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....
(Acteonoidea
Acteonoidea
Acteonoidea is a superfamily of sea snails, or bubble snails, marine gastropod mollusks.- Taxonomy :In the taxonomy of Bouchet & Rocroi , the superfamily Acteonoidea has been included into the informal group "Lower Heterobranchia" , also known as the Allogastropoda.Only one of analyses by Jörger...
excluded).
2005 taxonomy
Umbraculoidea has been classified as the only superfamily in clade Umbraculida within the informal group OpisthobranchiaOpisthobranchia
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 Bouchet & Rocroi
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...
(2005).
- Family UmbraculidaeUmbraculidaeUmbraculidae are a taxonomic family of unusual sea snails or limpets, marine opistobranch gastropod molluscs in the clade Umbraculida.-Genera:Genera within the family Umbraculidae include:* Umbraculum Schumacher, 1817* Spiricella Rang, 1828...
- Family TylodinidaeTylodinidaeTylodinidae is a family of sea snails or limpets, marine opisthobranch gastropod mollusks in the superfamily Umbraculoidea.- 2005 taxonomy :...