Description

cf. Anomalocaris sp.
Early Ordovician (Arenigian)
Fezouata Formation
Mecissi-Zagora Region, Draa Valley
Morocco
15mm oral disc of an undescribed Ordovician anomalocaridid on 58mm slab

For comparison see:
Daley, A. C., & Bergström, J. (2012). The oral cone of Anomalocaris is not a classic ‘‘peytoia’’. Naturwissenschaften, 99(6), 501-504.

https://link.springer.com/content/pdf/10.1007/s00114-012-0910-8.pdf

Also:
“Cambrian Shutter of Doom Becomes Sucker of Worms”

https://www.wired.com/2012/05/cambrian-shutter-of-doom-becomes-sucker-of-worms/