Ancyloceratoidea
| Ancyloceratoidea Temporal range: Cretaceous | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Cephalopoda | 
| Subclass: | †Ammonoidea | 
| Order: | †Ammonitida | 
| Suborder: | †Ancyloceratina | 
| Superfamily: | †Ancyloceratoidea Hyatt, 1900 | 
| Families | |
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Ancyloceratoidea, formerly Ancylocerataceae, is a superfamily of typically uncoiled and loosely coiled heteromorph ammonoids established by Alpheus Hyatt in 1900, that may contain as many as 11 families, depending on the classification accepted.