Had tentacles like a modern day squid or octopus similar to the modern chambered nautilus. Some ammonites are even older than the dinosaurs. Photos - we shot outside under natural sunlight. The item "PAIR AMMONITE XLG Crystal 146mm Dinosaur age 110 million year FOSSIL 5.8 a3641" is in sale since Wednesday, February 3, 2021. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Fossils\Mollusks\Ammonites".The seller is "ammonitefanatic" and is located in Little Elm, Texas. This item can be shipped worldwide.