Description
Rhombodus binkhorsti Ray
- Rhombodus binkhorsti
- Ray
- Cretaceous Age
- Kemp Formation
- Near Neylandville, Texas
- This tooth measures .44″ wide and will come in a 1.25″ gem jar. The photos show all the details present on this specimen
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Rhombodus is a prehistoric genus of ray belonging to the family Rhombodontidae. Rays are the largest group of cartilaginous fishes.
Species within this genus lived from the Cretaceous period, Maastrichtian age to the Paleocene epoch, from 70.6 to 55.8 million years ago
This species could reach a length of 75–100 centimetres (30–39 in). The genus is known from its caudal spines and rhombic teeth, which are all that usually fossilizes. These rhombic teeth are bilobate, with vertical wrinkles