Angustidens shark tooth from the Bone Valley Formation of Florida.
My find of the day last Friday. About 5% of the blade was showing above ground, and I pulled it out by that. The circle in the picture is where the remains of the cusp are located.
Fossil Collector: Bill’s Jewelry
Location: Bowling Green, FL
In some places along the Caloosahatchee River, the banks are made up of river bottom deposited by the U.S. Army Corps. of Engineers' dredges. Shark teeth are the most common finds in a region is known as the Caloosahatchee Formation. The material is from the Pleistocene Epoch, which spans 10,000 to 1.8 million years.
Photo: Courtesy Mark Rentz
Location: Caloosahatchee River, Florida
Fossil Expeditions
Bull and Dusky shark tooth fossils collected on Karen and Laura Roraffs expedition on the Caloosahatchee River in Florida.
A mako shark tooth collected on the same trip.
Photo: Courtesy Mark Rentz
Location: Caloosahatchee River, Florida
Shark teeth through the looking glass. Well drillings can provide a micro-sized snap shop into fossil formations not available on the surface. This well drilling in Richwood, New Jersey punched into the Cretaceous Mount Laurel/Navesink Formation more than 100 feet below the surface.
The fossils were carefully sifted with window screen from the glauconite-rich "green sand" brought to the surface. Fossils in the sample included shark teeth, shark and ecinoderm spines, encodus fish teeth and dermal denticles.
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