| Ellipsocephaloidea | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Ptychopariida |
| Suborder: | †Ptychopariina |
| Superfamily: | †Ellipsocephaloidea Lin, 1990 |
| Families | |
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See text | |
Ellipsocephaloidea is a superfamily of trilobites that lived during the Cambrian period. It was first described by Lin in 1990.