[1]
C. Stearn, “Treatise Online, no. 19, Part E, Revised, Volume 4, Chapter 16E: Stromatoporellida, Stromatoporida, Syringostromatida, Amphiporida, and genera with uncertain affinities”, TREON, Jan. 2011, doi: 10.17161/to.v0i0.4092.