Symmetrocapuloidea
Encyclopedia
Symmetrocapulidae is a taxonomic family of fossil snails, gastropod mollusks in the monotypic superfamily Symmetrocapuloidea in the clade Cycloneritimorpha
Cycloneritimorpha
Cycloneritimorpha is a clade of land snails, freshwater snails, and sea snails. These are gastropod molluscs within the larger clade Neritimorpha...

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This superfamily is extinct. It has one family and no subfamilies.
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