Hemipristis serra
| Hemipristis serra Temporal range:
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|---|---|
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| Tooth series of Hemipristis serra | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Subdivision: | Selachimorpha |
| Order: | Carcharhiniformes |
| Family: | Hemigaleidae |
| Genus: | Hemipristis |
| Species: | †H. serra
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| Binomial name | |
| †Hemipristis serra (Agassiz, 1843)
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Hemipristis serra is an extinct species of
Gatun Formation of Panama, H. serra was contemporary with pups of the large lamniform shark Otodus megalodon, and both it and the great hammerhead are theorized to have preyed on the pups of this larger shark due to their presence within the formation.[3]
The unusual teeth of Hemipristis serra are highly prized by collectors because they are often found in sediments in Southern Florida that yield extremely colorful fossil shark teeth. Their outstandingly large serrations make it a favorite and unique collectible fossil. Little else is known about the general appearance of H. serra, as there are no known fossils preserving its cartilaginous skeleton at present.
References
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