1154 - Museum Grade Unique Spicomellus afer Oldest Ankylosaurian Dinosaur Dermal Spike - El Mers Fm Alethopteris Pragian Stage (~408 Million Years)

Pragian Stage (~408 Million Years)

United States (44: Alabama

Size (long): 9cm = 3

This is a very special raptor tooth

paired by the main mass holder

1154 - Museum Grade Unique Spicomellus afer Oldest Ankylosaurian Dinosaur Dermal Spike - El Mers Fm Alethopteris Pragian Stage (~408 Million Years)Scientific name: Spicomellus afer (Maidment et al., 2021) Ankylosaurian Dinosaur Dermal Spike Location: Boulemane, Atlas Mountains, Morocco Geological Formation: El Mers Fm = Guettioua Fm Age: Middle Jurassic, Bathonian Callovian, 167. 7164. 7 Ma Size: 39,5cm Ref: 1154 Spicomellus (meaning "collar of spikes") is an extinct genus of herbivorous ankylosaurian dinosaur that lived in the supercontinent Gondwana during the Middle Jurassic Period. The genus