Description

Choia sp.
Early Ordovician (Arenigian)
Fezouata Formation
Mecissi-Zagora Region, Draa Valley
Morocco
16mm sponge on 67mm slab. Youngest known occurrence of Choia, a typically Cambrian species. Probably the best Choia sponge we’ve seen from the Fezouata biota.

Soft-bodied. Spongy.

See: Botting, J. P. (2007). “Cambrian” demosponges in the Ordovician of Morocco: Insights into the early evolutionary history of sponges. Geobios, 40(6), 737–748.