Historical records of the blotched stingray Urotrygon chilensis (Urotrygonidae: Myliobatiformes) yield insight into species distribution: the importance of natural history collections to questions of zoogeography Ehemann, N.R. García-Rodríguez, F.J. Pequeño, G. Thiel, Ralf De La Cruz-Agüero, J. 2021 - Forschungsinformationssystem der UHH