Extinct Cow Shark Tooth

23mm/2.3cm across

Image shows One Specimen at
different view points

Description

Exceptional example of the Rare and Extinct Cow Shark; known as the Notidanidon loozi.

Condition Report

Excellent preservation overall; complete Lower Jaw Tooth with Root still attached [extremely difficult species to find, particularly to find complete with No restoration]. This is one of the few, finer grades available, with each individual cusps intact and displaying a high lustre, original Glossy. All well formed points/crowns are extremely Sharp, with no peeling to the enamel, which again is common

Exceptional preservation to the Root (which again is rare to find), excellent detail exposed.

Professionally prepared and cleaned using the latest air-abrasion equipment; to remove any existing matrix from the Tooth.

Information

The Notidanidon was a seven gilled Shark which had multi-cusped teeth, the root being rectangular and of flattened form. It is Rare to find this species/Tooth complete with the Root still attached, as availability and discoveries of the Cow Shark decline annually You will see some examples offered on the market with extensive wear and restoration, especially to the cusps

Genus

Notidanidon loozi sp.

Informal Name

Extinct Cow Shark

Location

Phosphate mines of Khouribga, Morocco, North Africa

Geological Age

Cenozoic Era, Tertiary- Paleogene Period, Middle Eocene Epoch, around 49 million years ago