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What is an Ammonite?
An ammonite is an explosive prepared from ammonium nitrate, or any of a group of extinct cephalopods of the family Ammonoidea.
What extinct cephalopod evolved in the Silurian period?
Ammonite
What is a fossil that looks like a spiral?
Ammonite shells.A fossil that looks like a spiral or a rams horns is called an ammonite. Ammonites is extinct group of marine invertebrate animals that appeared during the Devonian period.
Where ammonite lived?
Alas, they live no more: they're all extinct. Died in the same catastrophe that killed the dinosaurs.
What is an ammonoid?
An ammonoid is another term for an ammonite, any of an extinct group of cephalopods of the subfamily Ammonoidea, or a fossil of such an animal.
What is a common name for ammonite?
A common name for ammonite is "ammonoid." Ammonites are extinct marine mollusks known for their spiral shells and are often found as fossils in sedimentary rock. They belong to the class Cephalopoda, which also includes modern squid and octopuses.
Can ammonite refer to an ancient shell or to an ancient people?
Ammonite can refer to both an ancient shell and an ancient people. The term "ammonite" originally referred to the extinct marine mollusk with a distinctive coiled shell that lived during the Jurassic and Cretaceous periods. Later, it was also used to describe the people who inhabited the ancient region of Ammon, located in present-day Jordan.
How old is ammonite fossil?
Ammonite fossils date back to the Mesozoic Era, with the oldest known species appearing around 400 million years ago. They thrived during the Jurassic and Cretaceous periods, becoming extinct about 66 million years ago at the end of the Cretaceous. Therefore, ammonite fossils can be anywhere from 66 million to over 400 million years old, depending on the specific species.
What type of organism is manticoceras?
Manticoceras is an early Ammonite from the Upper Devonian. This extinct marine mollusk is kin to the nautilus, squid, and octopus and Manticoceras fossils are found worldwide.
Which animal is considered a model for punctuated equilibrium whale ammonite and archaeopteryx?
Ammonite .
How do you spell ammonite?
That is the correct spelling of "ammonite" (a prehistoric mollusc, a marine snail).
What is the scientific definition of ammonite?
Ammonites are extinct marine mollusks that belong to the subclass Ammonoidea. They lived in the oceans between 240 to 65 million years ago and had a distinctive spiral shell with ridges and chambers. These shells often fossilize providing valuable information to researchers about ancient environments and biodiversity.
