 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (October 2021) |
| Trigonoceratidae | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Nautilida |
| Superfamily: | †Trigonoceratoidea |
| Family: | †Trigonoceratidae Hyatt, 1884 |
| Genera | |
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See text | |
The Trigonoceratidae is a family of coiled nautiloid cephalopods that lived during the period from the Early Carboniferous (Mississippian) to the Early Permian.