If the steering in your truck is getting loose, you might need to replace your idler arm or your pitman arm (or both). We'll show you how to replace them. If the steering in your truck is getting loose, you might need to replace your idler arm or your pitman arm (or both).
Ammonites are the most widely known fossil. They are cephalopods  and first appeared in the seas 415 million years ago, in the form  of a straight shelled creature known as â¦ Bacrites. They do not have  legs.
Ammonite Fossils photo by R.Weller/Cochise College. The name Ammonite comes from the Greek ram-horn God called Ammon. Ammonites are the most widely known fossil; they are cephalopods and first appeared in the seas 415 million years ago, in the form of a straight shelled creature known as Bacrites.