Arturia compacta is a species of calcareous sponge in the family Clathrinidae found in Mauritius.

[1] This species is very likely to be synonymous with Arthuria canariensis, differing only in its larger and thicker triactines.

However, the type and only known specimen is lost.

[2] World Register of Marine Species entry

This article about a calcareous sponge is a stub.