Lamnoidea
| Lamnoidea Temporal range: | |
|---|---|
| Lamna nasus (top) and Otodus megalodon (bottom) | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Division: | Selachii |
| Order: | Lamniformes |
| Superfamily: | Lamnoidea Bonaparte, 1835 |
| Families | |
Lamnoidea is a proposed superfamily of mackerel sharks, including families Lamnidae and Otodontidae. Ssynapomorphies, including regional endothermy, tooth morphology, and rostral cartilage morphology, support a sister group relationship between lamnids and otodontids.