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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] The structure was sometimes referred to as an "American Stonehenge".
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 ...
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 ...
Ammonites were cephalopods, that thrived in tropical seas until becoming extinct along with the dinosaurs at the end of the Mesozoic era. The ammonites that form ammolite inhabited a prehistoric, inland subtropical sea that bordered the Rocky Mountains—this area is known today as the Cretaceous or Western Interior Seaway .
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.
Ammon (/ ˈ æ m ən /; Ammonite: 𐤏𐤌𐤍 ʻAmān; Hebrew: עַמּוֹן ʻAmmōn; Arabic: عمّون, romanized: ʻAmmūn) was an ancient Semitic-speaking kingdom occupying the east of the Jordan River, between the torrent valleys of Arnon and Jabbok, in present-day Jordan.
The Ancyloceratina were a diverse suborder of ammonite most closely related to the ammonites of order Lytoceratina.They evolved during the Late Jurassic but were not very common until the Cretaceous period, when they rapidly diversified and became one of the most distinctive components of Cretaceous marine faunas.