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Orthogastropoda

(Subclass)

Overview

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A Subclass in the Kingdom Animalia.

Taxonomy

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The Subclass Orthogastropoda is a member of the Class Gastropoda. Here is the complete "parentage" of Orthogastropoda:

The Subclass Orthogastropoda is further organized into finer groupings including:

Orders

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Allogastropoda

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Archaeogastropoda

Archaeogastropoda (also known as Aspidobranchia) was a taxonomic order of sea snails used in older classifications of gastropods, i.e. snails and slugs. Archeogastropoda are marine prosobranch gastropod mollusks, mainly herbivores, typically having two gills and a double-chambered heart, with the eggs and sperm discharged directly into the water. They were traditionally regarded as a relatively primitive group. [more]

Architaenioglossa

Architaenioglossa is a taxonomic group of snails which have gills and often an operculum. They are primarily land and freshwater gastropod mollusks within the clade Caenogastropoda. [more]

Caenogastropoda

Caenogastropoda is a taxonomic clade, a large diverse group which is mostly sea snails, marine gastropod mollusks, but also includes some freshwater snails and some land snails. [more]

Cephalaspidea

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Clathrinida

Clathrinida is an order of Calcinea. Members of this order have calcareous skeletons, and are strictly marine. These sponges have an asconoid structure and lack a true dermal membrane or cortex. The spongocoel is lined with choanocytes. [more]

Cocculiniformia

The Cocculinoidea, as now designated, is a superfamily of deepwater limpets, marine gastropods, the only superfamily in the clade Cocculiniformia, one of the main clades of gastropods according to the taxonomy as set up by (Bouchet & Rocroi, 2005). Cocciliniformia was previously designated as a superorder, but is no longer. [more]

Euomphalina

Euomphalina, is a taxonomic order of extinct sea snails, marine gastropod mollusks, known from fossils. This order includes the extinct superfamilies Euomphaloidea, Macluritoidea, Ophiletoidea, and Platyceratoidea. [more]

Heterobranchia

Heterobranchia, the heterobranchs (meaning "different-gilled snails") or Euthyneura, is a taxonomic clade of snails and slugs, which includes species from the sea, the land and freshwater; marine, aquatic and terrestrial gastropod mollusks. [more]

Heterostropha

Heterostropha was a previously used taxonomic category, an order of sea snails, within the superorder Heterobranchia. In the most current gastropod taxonomy, that of Bouchet & Rocroi, this taxon is no longer in use. [more]

Murchisoniina

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Neomphalida

Neomphalidae is a family of sea snails or limpets, specifically deep sea hydrothermal vent limpets. This family is included in the Vetigastropoda, which is a clade according to the Bouchet & Rocroi, 2005. No subfamilies are included in this family. [more]

Neotaenioglossa

The Neotaenioglossa is an taxonomic name for a large group of mostly sea snails. The name was originally created by Haller in 1882. Ponder and War?n (1988), and Marquet (1997), assigned this name to the superorder Caenogastropoda. ITIS considers the order Neotaenioglossa to be a synonym of Cerithioidea F?russac, 1819 . [more]

Neritopsina

Neritimorpha is a taxonomic grouping, an unranked clade of snails, gastropod mollusks. This grouping includes land snails, sea snails, some deepwater limpets, and also freshwater snails. This clade was previously known as the superorder Neritopsina. [more]

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. Euopisthobrancha is a collection of opisthobranchs that is monophyletic, but this group leaves out some "traditional" opisthobranchs. [more]

Perciformes

Perciformes, also called the Percomorphi or Acanthopteri, is one of the largest orders of vertebrates, containing about 40% of all bony fish. Perciformes means "perch-like". They belong to the class of ray-finned fish, and comprise over 7,000 species found in almost all aquatic environments. It contains about 155 families, which is the most of any order within the vertebrates. They are also the most variably sized order of vertebrates, ranging from the 7 millimeters (0.28 in) Schindleria brevipinguis to the 5 meters (16 ft) Makaira species. They first appeared and diversified in the Late Cretaceous. Among well-known members of this group are cichlids, sunfish/bluegill, damselfish, bass, and, of course, perch. [more]

Pulmonata

The Pulmonata, or "pulmonates", are an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includes many land and freshwater families, and several marine families. [more]

Sorbeoconcha

Sorbeoconcha is a taxonomic clade of snails, i.e. gastropods, mainly marine species with gills and opercula, within the clade Caenogastropoda. [more]

Vetigastropoda

Vetigastropoda is a major taxonomic group of sea snails, marine gastropod mollusks that form a very ancient lineage. Taxonomically Vetigastropoda are sometimes treated as an order although they are a clade in Bouchet and Rocroi, 2005. [more]

At least 1,628 species and subspecies belong to the Order Vetigastropoda.

More info about the Order Vetigastropoda may be found here.

Sources

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Last Revised: August 24, 2012
2012/08/24 17:04:42