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Fossil cufflinks! These definitely make a fab dads birthday gift or father of the bride! Stunning Ammonite fossils in Pyrite. Set on your choice of metal cufflink hardware. Wow, as soon as I saw these Ammonites I knew they would be perfect luxury cuff links for him. These are 2 fully fossilized Ammonite (determined to be between 240-96 million years old) that solidified in Pyrite. I am making it your choice which side will be facing out; shiny or textured. See photos. Made to order to your specs. Ammonites became extinct along with the Dinosaurs. Very special.

Gift giving ideas: To yourself (of course!), Father of the Bride gift, Fathers Day gift, Birthday gift for men, Groomsmen gift, Best Man gift, Anniversary gift for Husband, Boyfriends Birthday, Graduation Gift, Boyfriend Anniversary, Son's Birthday present.

SIZE: 15mm-18mm at widest, approximately

Ships within 5 business days. You will have the option of shipping method during checkout. Yay!

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These sea creatures first appeared 415 million years ago in the form of a small, straight shelled creature, known as Bacrites. They quickly evolved into a variety of shapes and sizes including some shaped like hairpins. During their evolution the ammonites faced no less than three catastrophic events that would eventually lead to their extinction. The first event occurred during the Permian (250 million years ago), where only 10% survived. These surviving species went on to flourish throughout the Triassic, however at the end of this period (206 million years ago) they faced near extinction, when all but one species survived. This event marked the end of the Triassic and the beginning of the Jurassic, during which time the number of ammonite species grew once more. The final catastrophe occurred at the end of the Cretaceous period when all species were annihilated and the ammonites became extinct. This event apparently coincided with the death of the dinosaurs.

How did ammonites live?

Ammonites began life as tiny planktonic creatures less than 1mm in diameter. In their infancy they would have been vulnerable to attack from other predators, including fish; however, they quickly assumed a strong protective outer shell that shielded their soft interior from damage. Evidence suggests that they gained in size rapidly, with females growing up to 400% larger than the males.
Ammonites moved by jet propulsion, expelling water through a funnel-like opening to propel themselves in the opposite direction. They typically lived for two years, although some species survived beyond this and grew very large as pictured above. Evidence of their short lives is estimated by looking at their living relatives - the nautilus. These creatures exist within modern day seas and possess many characteristics similar to ammonites []

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