Lihat Juga

• Fig. 14. A in Cephalopods from the Cretaceous/Tertiary Boundary Interval on the Atlantic Coastal Plain, with a Description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina
  oleh: LANDMAN, NEIL H., et al.
  Terbitan: (2004)
• Fig. 2 in Cephalopods from the Cretaceous/Tertiary Boundary Interval on the Atlantic Coastal Plain, with a Description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina
  oleh: LANDMAN, NEIL H., et al.
  Terbitan: (2004)
• Fig. 22 in Cephalopods from the Cretaceous/Tertiary Boundary Interval on the Atlantic Coastal Plain, with a Description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina
  oleh: LANDMAN, NEIL H., et al.
  Terbitan: (2004)
• Fig. 9 in Cephalopods from the Cretaceous/Tertiary Boundary Interval on the Atlantic Coastal Plain, with a Description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina
  oleh: LANDMAN, NEIL H., et al.
  Terbitan: (2004)
• Fig. 20. Discoscaphites minardi, n in Cephalopods from the Cretaceous/Tertiary Boundary Interval on the Atlantic Coastal Plain, with a Description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina
  oleh: LANDMAN, NEIL H., et al.
  Terbitan: (2004)