Landman, N. H., Kennedy, W. J., Larson, N. L., Grier, J. C., Grier, J. W., & Linn, T. (2019). Description of two species of Hoploscaphites (Ammonoidea: Ancyloceratina) from the Upper Cretaceous (Lower Maastrichtian) of the U.S. Western Interior. American Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Landman, Neil H., William James Kennedy, Neal L. Larson, Joyce C. Grier, James W. Grier, und Tom Linn. Description of Two Species of Hoploscaphites (Ammonoidea: Ancyloceratina) from the Upper Cretaceous (Lower Maastrichtian) of the U.S. Western Interior. New York, NY: American Museum of Natural History, 2019.
MLA-Zitierstil (9. Ausg.)Landman, Neil H., et al. Description of Two Species of Hoploscaphites (Ammonoidea: Ancyloceratina) from the Upper Cretaceous (Lower Maastrichtian) of the U.S. Western Interior. American Museum of Natural History, 2019.