The Superorder Vetigastropoda is further organized into finer groupings including:
- Order (6): Archaeogastropoda · Cocculiniformia · Euomphalina · Murchisoniina · Neomphalida · Vetigastropoda
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]
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, 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]
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]
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.
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