Symmetrocapulidae is an extinct taxonomic family of fossil snails, gastropod mollusks in the monotypic superfamily Symmetrocapuloidea within the clade Cycloneritimorpha. This superfamily has one family and no subfamilies.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0