Nuculoidea
{{Short description|Superfamily of bivalves}}
{{Automatic taxobox
| fossil_range = Ordovician - Recent {{Fossilrange|487|0}}
| image = Nucula nucleus 2008-09-09-63.jpg
| image_caption = Nucula nucleus
| taxon = Nuculoidea
| authority = Gray, 1824
| subdivision_ranks = Families
| subdivision =
}}
Nuculoidea is a superfamily of bivalves. It belongs to the order Nuculida. It comprises one living family, Nuculidae and one extinct family Praenuculidae.{{cite journal |last1=Carter |first1=J.G. |year=2011 |title=A Synoptical Classification of the Bivalvia (Mollusca) |journal=Paleontological Contributions |volume=4 |pages=1–47 |url=http://kuscholarworks.ku.edu/dspace/bitstream/1808/8287/3/Carter%20ms.pdf|display-authors=etal}}