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Squalicorax falcatus1

The most complete specimens of Squalicorax falcatus (USNM 425665) that has ever been found. It is presently on exhibit in the United States National Museum - Smithsonian.

Squalicorax falcatus is an extinct species of crow shark from the genus Squalicorax.

FossilsEdit

The teeth of Squalicorax falcatus are small to medium in size, and tend to increase in size from the bottom to the top of the Smoky Hill Chalk. The teeth are generally triangular in side view, with the crowns of the anterior teeth narrow and erect. The lateral and posterior teeth have lower crowns that are inclined distally. The angle of the cusp is acute to obtuse, and all cutting edges are finely serrated. The root is intermediate in length and bilobate, without a nutrient groove.

Squalicorax falcatus skull1

Close-up of the skull.


Mantell's Iguanodon restoration

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