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Ammonites of prehistoric North America — a marine molluscs group of the prehistoric Cephalopods in North America. Subcategories This category has the following 5 subcategories, out of 5 total.
This list of ammonites is a comprehensive listing of genera that are included in the subclass †Ammonoidea, excluding purely vernacular terms. The list includes genera that are commonly accepted as valid, as well as those that may be invalid or doubtful ( nomina dubia ), or were not formally published ( nomina nuda ), as well as junior ...
Pages in category "Late Cretaceous ammonites of North America" The following 28 pages are in this category, out of 28 total. This list may not reflect recent changes .
Pages in category "Cretaceous ammonites of North America" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. A.
Pages in category "Early Cretaceous ammonites of North America" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes .
Pages in category "Early Jurassic ammonites of North America" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. E.
Late Cretaceous ammonites of North America (28 P) Pages in category "Late Cretaceous ammonites" The following 11 pages are in this category, out of 11 total.
Pages in category "Middle Jurassic ammonites of North America" ... Parkinsonia (ammonite) This page was last edited on 9 January 2020, at 22:53 (UTC). ...