Fossil Shark Tooth – Squalicorax kaupi (Cow Shark), Navesink Formation, Upper Cretaceous, New Jersey, USA – COA

Description

This stunning Fossil Shark Tooth comes from the species Squalicorax kaupi, also known as the Cow Shark. It was discovered in the Navesink Formation, located in New Jersey, USA, and dates back to the Upper Cretaceous period. The fossil is a 100% genuine specimen, complete with a Certificate of Authenticity. This remarkable tooth offers a rare opportunity to own a piece of prehistoric marine life from a time long past.

Geology and Fossil Type

• Geological Stage: Upper Cretaceous
• Depositional Environment: Marine (The Navesink Formation represents a marine environment from the Upper Cretaceous, where various species of sharks, including Squalicorax kaupi, lived in the warm seas of what is now the eastern United States.)
• Family: Squalicoracidae (family of sharks, including species like Squalicorax kaupi)
• Superfamily: Carcharhinoidea
• Order: Carcharhiniformes (order of sharks that includes ground sharks, hammerheads, and others)

Morphology Features

The tooth of Squalicorax kaupi is characterized by its triangular shape with fine serrations along the edges, typical of a predatory shark. The tooth is in excellent condition, displaying the sharpness and detail that was used to capture and hold onto prey. The Cow Shark was an agile hunter, and this tooth reflects its efficiency in the Cretaceous seas.

Biozone

The Navesink Formation biozone is well-known for its rich deposits of marine fossils, particularly from the Upper Cretaceous period. This zone offers a glimpse into the diverse marine ecosystems that existed just before the Cretaceous–Paleogene extinction event, with Squalicorax kaupi being one of the dominant predators in the region.

Notable Features

This fossil is notable for its sharp serrations, which are still clearly visible, making it an excellent example of a predatory shark tooth from the Upper Cretaceous. The tooth’s triangular shape and well-defined root add to its appeal as a rare and highly collectible fossil.

Size and Presentation

• Scale Rule Squares: 1cm
• Full sizing is provided in the photos, so you can see the exact size of the tooth.
• Actual Fossil: The fossil pictured is the exact piece you will receive.

Key Selling Points

• 100% Genuine Fossil
• Comes with a Certificate of Authenticity
• A well-preserved shark tooth from the Squalicorax kaupi (Cow Shark)
• Excellent serrations and morphological details
• Perfect for collectors and those interested in Cretaceous marine life

This Squalicorax kaupi (Cow Shark) Fossil Tooth is an extraordinary specimen from the Upper Cretaceous period, offering a glimpse into the marine predators that ruled the seas. Its excellent preservation and distinct features make it a rare and valuable addition to any fossil collection.