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Ammonites in the permanent collection of The Children's Museum of Indianapolis. At least 57 species of ammonites, which were widespread and belonged to six superfamilies, were extant during the last 500,000 years of the Cretaceous, indicating that ammonites remained highly diverse until the very end of their existence.
Although almost all evidence indicated that ammonites did not survive past the K–Pg boundary, there is some scattered evidence that some ammonites lived for a short period of time during the Paleocene epoch, although none survived the Danian (66-61 Ma); [1] they were likely extinct within 500,000 years of the K-Pg extinction event, which ...
The Georgia Guidestones was a granite monument that stood in Elbert County, Georgia, United States, from 1980 to 2022. It was 19 feet 3 inches (5.87 m) tall and made from six granite slabs weighing a total of 237,746 pounds (107,840 kg). [ 1 ]
During the Paleocene, Georgia was home to foraminiferans, mollusks, and sea urchins. The mollusks were preserved as casts and the urchins left behind fossil spines that are found in the middle part of the state. [7] Eocene life in Georgia included pectens, oysters, and a wide variety of microscopic life. Sea urchins continued to persist in the ...
The McQueen Shell Ring is a Late Archaic archaeological site off the coast of Georgia, notable for its surplus of copper artifacts recovered during multiple excavations. [1] This Late Archaic Occupation, constructed between 2300 and 1800 cal. B.C., is marked by radiocarbon dates from artifacts found at the site. [ 1 ]
The Kenimer site is located on an erosional remnant hill just to the north of and overlooking the Nacoochee Valley.It overlooks the junction of the Chattahoochee River and Sautee Creek, which is about 1.5 kilometres (0.93 mi) to the southeast.
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 ...
The history of paleontology traces the history of the effort to understand the history of life on Earth by studying the fossil record left behind by living organisms. Since it is concerned with understanding living organisms of the past, paleontology can be considered to be a field of biology, but its historical development has been closely tied to geology and the effort to understand the ...