Negaprion eurybathrodon
Encyclopedia
Negaprion eurybathrodon is an extinct species of lemon shark
Negaprion
Negaprion is a genus of requiem sharks, family Carcharhinidae, containing the two extant species of lemon sharks: the lemon shark of the Americas, and the sicklefin lemon shark of the Indo-Pacific...

 which existed in what is now the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 during the Miocene
Miocene
The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

period. It was described by Blake in 1862.
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