.93" Fossil Hemipristis Shark Tooth - Maryland

This is a nice Hemipristis serra tooth from Calvert Formation in Maryland. It has beautiful coloration and nicely defined serrations. Comes in an acrylic case.

Hemipristis teeth are some of the most beautiful and horrifying dentition in the entire shark world. Hemipristis, known as the snaggletooth sharks, belong to a genus of weasel sharks. The genus Hemipristis contains one surviving species, as well as several extinct species.

Hemipristis use their morbid grin as an instrument of death. It hooks and slices prey using two distinct types of teeth in each section of its jaw. The broad, triangular teeth on the upper jaw act as serrated knives, cutting through the flesh of the prey. The pointed ones on the bottom act like forks, spearing the prey and holding it down. They have very long, strongly hooked cusps and protrude when the mouth is closed.

Giant snaggletooth sharks that terrorized the Atlantic Ocean during the Tertiary were considerably larger than their modern relatives. Marks made by the teeth of H. serra are often found on the bones of the manatee Metaxytherium, suggesting that H. serra had an affinity for sirenians (Sea Cows).

Hemipristis curvatus is an extinct species which existed during the Eocene (55.8-33.8 mya). It was followed by Hemipristis serra, which lived through the Oligocene-
Miocene (33.9-5.2 mya) of Florida, South Carolina, and other areas on the Atlantic coast. Hemispristis preferred warm water. As the temperature of the oceans cooled with the approach of the Pliocene, Hemispristis retreated from northern latitudes before becoming extinct.

Hemipristis teeth are coveted for the exotic shape and beautiful color. Teeth from the southern Atlantic Coast are especially prized.
DETAILS
SPECIES
Hemipristis serra
LOCATION
Maryland
FORMATION
Calvert Formation
SIZE
.93" long
ITEM
#42545
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