Neritoida
Encyclopedia
Neritoida was a taxonomic order
Order (biology)
In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...

 of sea 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, freshwater snails and land snails, gastropod molluscs. This order was placed within the superorder Neritopsina within the order Orthogastropoda
Orthogastropoda
Orthogastropoda was a major taxonomic groupings of snails and slugs, an extremely large subclass within the huge class Gastropoda according to the older taxonomy of the Gastropoda ....

. Now see Neritoidea
Neritoidea
Neritoidea is a taxonomic superfamily of mostly sea snails, nerites and their allies, marine gastropod mollusks in the clade Cycloneritimorpha ....

.

Superfamilies

Superfamilies within the order Neritoida were:
  • Helicinoidea
    Helicinoidea
    Helicinoidea is a taxonomic superfamily of land snails that have an operculum. In other words, they are terrestrial operculate gastropod mollusks...

  • Hydrocenoidea
  • Neritoidea
    Neritoidea
    Neritoidea is a taxonomic superfamily of mostly sea snails, nerites and their allies, marine gastropod mollusks in the clade Cycloneritimorpha ....

  • Neritopsoidea
    Neritopsoidea
    Neritopsoidea is a taxonomic grouping, a superfamily of sea snails, marine gastropod mollusks in the clade Cycloneritimorpha within clade Neritimorpha or in the order Neritoina within superorder Cycloneritimorpha within subclass Neritimorpha .- 1997 taxonomy :Neritopsoidea was in order Neritoida,...

  • Symmetrocapuloidea
    Symmetrocapuloidea
    Symmetrocapulidae is a taxonomic family of fossil snails, gastropod mollusks in the monotypic superfamily Symmetrocapuloidea in the clade Cycloneritimorpha.This superfamily is extinct. It has one family and no subfamilies....

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