Ralph O. Johnson

CEPHALOPODS FROM THE CRETACEOUS/TERTIARY BOUNDARY INTERVAL ON THE ATLANTIC COASTAL PLAIN, WITH A DESCRIPTION OF THE HIGHEST AMMONITE ZONES IN NORTH AMERICA. PART III. MANASQUAN RIVER BASIN, MONMOUTH COUNTY, NEW JERSEY

Neil H. Landman, Ralph O. Johnson, Matthew P. Garb et al. · Bulletin of the American Museum of Natural History · 2007 · 67 citations · Full text

Biology, Paleoenvironmental Reconstruction, Marine Geology +15

CEPHALOPODS FROM THE CRETACEOUS/TERTIARY BOUNDARY INTERVAL ON THE ATLANTIC COASTAL PLAIN, WITH A DESCRIPTION OF THE HIGHEST AMMONITE ZONES IN NORTH AMERICA. PART 2. NORTHEASTERN MONMOUTH COUNTY, NEW JERSEY

Neil H. Landman, Ralph O. Johnson, Lucy E. Edwards · Bulletin of the American Museum of Natural History · 2004 · 42 citations · Full text

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

Neil H. Landman, Ralph O. Johnson, Lucy E. Edwards · American Museum Novitates · 2004 · 39 citations · Full text

Paleoenvironmental Reconstruction, Marine Geology, Part 1 +13

Additions to the Ammonite Fauna of the Upper Cretaceous Navesink Formation of New Jersey

William J. Kennedy, Neil H. Landman, W. A. Cobban et al. · American Museum Novitates · 2000 · 25 citations · Full text

Biology, Marine Geology, Engineering +12

Cephalopods from the Cretaceous/Tertiary boundary interval on the Atlantic Coastal Plain, with a description of the highest ammonite zones in North America. Part 3, Manasquan River Basin, Monmouth County, New Jersey ; Bulletin of the American Museum of Natural History, no. 303

Neil H. Landman, Ralph O. Johnson, Matthew P. Garb et al. · American Museum Novitates · 2007 · 18 citations

Paleoenvironmental Reconstruction, Marine Geology, Engineering +6