EASTMAN, C.R. (1904)
Pisces (of Miocene of Maryland). Maryland Geological Survey, 2 (1): 71–93, pl. 28–32
KRUCKOW, T. & THIES, D. (1990)
Die Neoselachier der Paleokaribik (Pisces: Elasmobranchii). Courier Forschungsinstitut Senckenberg, 119: 1–102
HOVESTADT, D.C. & HOVESTADT-EULER, M. (2013)
Generic Assessment and Reallocation of Cenozoic Myliobatinae based on new information of tooth, tooth plate and caudal spine morphology of extant taxa. Palaeontos, 24, 1–66, 3 text–figs, 51 Plates