Nuculida is an order of small saltwater clams, marine bivalve mollusks. This order belongs to the subclass Protobranchia. "Nuculida" is sometimes spelled "Nuculoidea".
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