Kennedy, W. J., & Klinger, H. C. (2026). On the ammonite genus Rusoceras van Hoepen, 1946, a synonym of Pervinquieria (Pervinquieria) Böhm, 1910, from the Upper Albian of KwaZulu-Natal, South Africa. Acta Geologica Polonica, 76(3), e90. https://doi.org/10.24425/agp.2026.158204