A pathological pelagic eagle ray (Myliobatiformes: Aetobatidae) tooth plate from the Neogene of Calvert Cliffs, Maryland, U.S.A.

In the case study presented here, we describe a Miocene aetobatid, Aetobatus arcuatus Agassiz, 1843 lower tooth plate that exhibits a longitudinal furrow lesion. Hitherto in the literature, patholo...