Loc. cit. p. 33.
The term "sarcostyle" is usually applied to the dactylozooid of the Calyptoblastea.
Trans. Roy. Soc. Victoria, 1890, p. 121.
See C. C. Nutting, Proc. U.S. National Museum, xxi. 1899, p. 747.
E. T. Browne, Bergens Museums Aarbog, 1903, iv. p. 18.