Sorbeoconcha
Encyclopedia
Sorbeoconcha is a taxonomic clade
Clade
A clade is a group consisting of a species and all its descendants. In the terms of biological systematics, a clade is a single "branch" on the "tree of life". The idea that such a "natural group" of organisms should be grouped together and given a taxonomic name is central to biological...

 of snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

s, i.e. gastropods, mainly 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...

 species with gill
Gill
A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water, afterward excreting carbon dioxide. The gills of some species such as hermit crabs have adapted to allow respiration on land provided they are kept moist...

s and opercula
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...

, within the clade
Clade
A clade is a group consisting of a species and all its descendants. In the terms of biological systematics, a clade is a single "branch" on the "tree of life". The idea that such a "natural group" of organisms should be grouped together and given a taxonomic name is central to biological...

 Caenogastropoda
Caenogastropoda
Caenogastropoda is a taxonomic clade of a large diverse group of mostly marine gastropods.Caenogastropoda contains a majority of the families of shelled marine molluscs including such families as the periwinkles, cowries, wentletraps, moon snails, and cone snails.About 60% of all living gastropods...

.

The taxon
Taxon
|thumb|270px|[[African elephants]] form a widely-accepted taxon, the [[genus]] LoxodontaA taxon is a group of organisms, which a taxonomist adjudges to be a unit. Usually a taxon is given a name and a rank, although neither is a requirement...

 Sorbeoconcha was named by Winston Ponder
Winston Ponder
Winston F. Ponder B.Sc, M.Sc, Ph.D, D.Sc. is a noted malacologist from New Zealand who has named and described many marine animals, especially micromolluscs. He is a graduate of the University of Auckland, New Zealand....

 and David R. Lindberg
David R. Lindberg
David R. Lindberg is an American malacologist and professor of integrative biology at the University of California, Berkeley. He is also the Curator for the University of California Museum of Paleontology and co-editor of the journal Molecular Systematics and Phylogeography of Mollusks.Much of his...

 in 1997.

1997 taxonomy

According to the older taxonomy by Ponder and Lindberg the suborders within the order Sorbeoconcha are:
  • Discopoda P. Fischer, 1884
  • Murchisoniina Cox & Knight, 1960
  • Hypsogastropoda
    Hypsogastropoda
    According to the Taxonomy of the Gastropoda Hypsogastropoda is a clade of parasitic marine gastropods within the clade Caenogastropoda....

     Ponder & Lindberg, 1997
  • Cerithiimorpha
    Cerithiimorpha
    The Cerithiimorpha was a suborder of marine gastropods within the Sorbeoconcha. This taxon is no longer valid according to the current taxonomy of Bouchet and Rocroi.The previous classification system was as follows:* subclassis = Orthogastropoda...

     Golikov & Starobogatov, 1975

2005 taxonomy

In the taxonomy 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...

, the clade
Clade
A clade is a group consisting of a species and all its descendants. In the terms of biological systematics, a clade is a single "branch" on the "tree of life". The idea that such a "natural group" of organisms should be grouped together and given a taxonomic name is central to biological...

 Sorbeoconcha was declared a taxon of unspecified rank, within the clade Caenogastropoda
Caenogastropoda
Caenogastropoda is a taxonomic clade of a large diverse group of mostly marine gastropods.Caenogastropoda contains a majority of the families of shelled marine molluscs including such families as the periwinkles, cowries, wentletraps, moon snails, and cone snails.About 60% of all living gastropods...

.

It comprises the superfamily
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...

 Cerithioidea
Cerithioidea
The Cerithioidea is a superfamily of marine, brackish water and freshwater gastropod containing more than 200 genera. The Cerithoidea are included in the clade Sorbeoconcha. The original name of this superfamily was Cerithiacea, in keeping with common superfamily endings at the time.- Ecology...

, the superfamily Campaniloidea
Campaniloidea
The Campaniloidea is a superfamily of sea snails, marine gastropod mollusks. The Campaniloidea are included in the clade Sorbeoconcha.-Taxonomy:The following four families have been recognized in the taxonomy of Bouchet & Rocroi :...

, the informal group Ptenoglossa
Ptenoglossa
The Ptenoglossa is an informal taxonomic group of sea snails.It was considered paraphyletic or polyphyletic by Ponder and Lindberg in their classification of the molluscs.-Taxonomy:*Superfamily Epitonioidea**Family Epitoniidae**Family Janthinidae...

 and the clade Neogastropoda
Neogastropoda
Neogastropoda is an unranked taxonomic clade of sea snails, marine gastropod mollusks. For many years prior to 2005 Neogastropoda was an order.- Description :...

.

The following extinct families were not allocated to a superfamily:
  • Acanthonematidae
    Acanthonematidae
    Acanthonematidae is an extinct family of sea snails, marine gastropod mollusks in the clade Sorbeoconcha.According to the taxonomy of the Gastropoda by Bouchet & Rocroi the family Canterburyellidae has no subfamilies. It is unassigned to superfamily....

     Wenz, 1938
  • Canterburyellidae
    Canterburyellidae
    † Canterburyellidae is an extinct family of sea snails, marine gastropod mollusks in the clade Sorbeoconcha.According to the taxonomy of the Gastropoda by Bouchet & Rocroi the family Canterburyellidae has no subfamilies. It is unassigned to to superfamily....

     Bandel, Gründel & Maxwell, 2000
  • Prisciphoridae
    Prisciphoridae
    † Prisciphoridae is an extinct family of sea snails, marine gastropod mollusks in the clade Sorbeoconcha.The original spelling was Prisciophoridae, but it was changed Prisciphoridae....

    Bandel, Gründel & Maxwell, 2000
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