Researchers have found a remarkable effect while studying how marine particles sink, which could affect the way scientists assess global carbon fluxes.
Ammonites are an group of marine animals of the subclass Ammonoidea in the class Cephalopoda. They are excellent index fossils, and it is often possible to link the rock layer in which they are found to specific geologic time periods.mmonites are an group of marine animals of the subclass Ammonoidea in the class Cephalopoda. They are excellent index fossils, and it is often possible to link the rock layer in which they are found to specific geologic time periods.
Three ammonites are on the shield of the town of Whitby, complete with snake heads! Ammonites were called snakestones. They were used as protection against snakebites. In America, the Blackfoot called ammonites insikim or buffalo stones because they look like sleeping bison. They were used in spiritual ceremonies.