Template:Kennedy et al., 2000b
- Kennedy, W.J., Landman, N.H., Cobban, W.A. & Scott, G.R. 2000. Late Campanian (Cretaceous) heteromorph Ammonites from the western interior of the United States. Bulletin of the American Museum of Natural History 2000(251): 1–86. DOI: 10.1206/0003-00902000.251<0001:LCCHAF>2.0.CO;2