Diania cactiformis
Early Ordovician (Arenigian)
Fezouata Formation
Mecissi-Zagora Region, Draa Valley
Morocco

Diania cactiformis is known for its elongated worm like body and multiple spiny walking appendages, giving it a distinctive cactus like appearance. Lobopodians are among the most important early animals for understanding the origin of arthropods and the evolution of segmented body plans.
9mm lobopod on 55mm slab