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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.
Many ammonite species were filter feeders, so they might have been particularly susceptible to marine faunal turnovers and climatic change. [30] Some reports suggest that a few ammonite species may have persisted into the very early Danian stage of the Paleocene, before going extinct. [45] [46]
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 "Cretaceous ammonites of North America" The following 7 pages are in this category, out of 7 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 .
Download as PDF; Printable version; ... Ammonites of North America (5 C, 86 P) S. Ammonites of South America (1 C, 81 P) This page was ...
Download as PDF; Printable version; In other projects Wikidata item; ... Cretaceous ammonites of North America (2 C, 7 P) E. Early Cretaceous ammonites (2 C, 16 P) L.
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 .