Acteoninoidea
Encyclopedia
Acteoninoidea is an extinct superfamily of fossil 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, 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...

 gastropod mollusks in 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...

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Taxonomy

Families within the superfamily Acteoninoidea are as follows:
  • † Family Acteoninidae
    Acteoninidae
    Acteoninidae is an extinct family of fossil sea snails, marine gastropod mollusks in the clade Caenogastropoda....

  • † Family Anozygidae
    Anozygidae
    †Anozygidae is an extinct family of fossil sea snails, marine gastropod mollusks in the clade Caenogastropoda.-References:*...

  • † Family Soleniscidae
    Soleniscidae
    Soleniscidae is an extinct family of fossil sea snails, marine gastropod mollusks in the clade Caenogastropoda....

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