Taxonomic history of the genus †Astephus

After Grande & Lundberg, 1988

    †Astephus Cope, 1873
        Pimelodus
        Rhineastes

        †Astephus resimus Lundberg, 1975a

        †Astephus antiquus (Leidy, 1873a)
            †Pimelodus antiquus Leidy, 1873a
            †Rhineastes calvus Cope, 1873
            †Rhineastes arcuatus Cope, 1873
            †Amiurus primaevus Eastman, 1917
            †Astephus calvus ( Cope, 1873)

Reference(s):

Grande, L. & Lundberg, J. G., 1988: Revision and redescription of the genus †Astephus (Siluriformes: Ictaluridae) with a discussion of its phylogenetic relationships.
–Journal of Vertebrate Paleontology: Vol. 8, #2, pp. 139-171