Fossil shark tooth in matrix, Late Cretaceous, K-Pg boundary, Free Shipping!!

Description

For sale is a Carcharias holmdelensis (sand-tiger) fossil shark tooth in coquina (shell hash, limestone) matrix. This specimen was collected from the Cretaceous-Paleogene boundary in central Arkansas and is uniquely exposed on the bedding plane. Fossil teeth, bones, and phosphate, such as that seen in this specimen, was concentrated along with invertebrate fossils in an ancient shallow marine environment. The specimen and exposed shark tooth are sturdy and no preparation, glue, or coatings have been applied.
A small and very unique specimen dating back to the Cretaceous-Paleogene boundary and mass extinction event associated with the extinction of the dinosaurs and marine reptiles. A great addition to any collection!!
The fossils and relics I have listed are old (in most cases, millions of years old!). As a result, these authentic specimens may not be in perfect condition. Please review all associated pictures before you place a bid. Refunds will only be accepted for items damaged during shipping.
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At this time, items will only be shipped in the USA and to your verified address.
Thanks for looking!