Acanthodesia savartii is recorded widely from the Recent and Neogene. Its generalised and simple morphology makes it a strong possibility that several taxa have been combined under this name, but a detailed study of the material has not been attempted. The specimen illustrated is from offshore southern Australia. The spikes are projecting parts of the substrate, a species of Celleporaria.
Original description: Flustra savartii Audouin, 1826
Locality: Egypt, Red Sea?
Type specimen: ?
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