Eostegostoma is an extinct genus of prehistoric cartilaginous fish from the Eocene epoch of Belgium and from the Oligocene (Rupelian) of Alabama (United States).
References
Further reading A. Noubhani and H. Cappetta. 1997. Les Orectolobiformes, Carcharhiniformes et Myliobatiformes (Elasmobranchii, Neoselachii) des bassins à phosphate du Maroc (Maastrichtien-Lutétien basal). Systématique, biostratigraphie, évolution et dynamique des faunes. Palaeo Ichthyologica 8:1–327 J. A. Ebersole, D. J. Cicimurri, L. M. Stallworth and A. D. Gentry. 2024. Preliminary report on the fishes (Chondrichthyes & Teleostei) from the lower Oligocene (Rupelian) Red Bluff Clay at site AMo-9, Monroe County, Alabama, USA. PalaeoVertebrata 47(2):1–24 J. J., J.r. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1–560