Eiffelia is an extinct genus of sponges known from the Middle Cambrian Burgess Shale as well as several Early Cambrian small shelly fossil deposits.

[4] It belongs in the Hexactinellid stem group.

[5] 60 specimens of Eiffelia are known from the Greater Phyllopod bed, where they comprise 0.11% of the community.

[6] Eiffelia generally have star-shaped six-rayed spicules, with rays diverging at 60°, occasionally with a seventh ray perpendicular to the other six.

This prehistoric sponge article is a stub.