| Spiroceratidae | |
|---|---|
 | |
| Spiroceras sp. | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Superfamily: | †Spiroceratoidea Hyatt, 1900 |
| Family: | †Spiroceratidae Hyatt, 1900 |
| Genera | |
| |
| Spiroceratidae | |
|---|---|
| |
| Spiroceras sp. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Superfamily: | †Spiroceratoidea Hyatt, 1900 |
| Family: | †Spiroceratidae Hyatt, 1900 |
| Genera | |
| |
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