A rare Jurassic theropod tooth from the Tiouraren Formation (Niger). This tooth is in very good condition and has some nice enamel and serrations.
It's very difficult to ID teeth from the Jurassic of Niger as there's only a small amount of published material to compare against, however the size, shape and serration counts suggest this one belongs to a Megalosaurid, most likely Afrovanator abakensis. Comes labelled and stored in an acrylic case with padding.
Tooth measurements are as follows:
Crown Base Ratio: 0.6
Crown Height Ratio: 2.1
Mesial Serration Count (per 5mm): N/A
Distal Serration Count (per 5mm): 11.5
The mesial carina extends 2/3 of the way down the crown.