Cannon, L. R. G. (1987). Two new rhabdocoel turbellarians, Umagilla pacifica sp. n. and U. karlingi sp. n.(Umagillidae), endosymbiotic with holothurians (Echinodermata) from the Great Barrier Reef; and a discussion of sclerotic structures in the female system of the Umagillidae. Zool Scr. 16 (4): 297-303.
Two new rhabdocoel turbellarians, Umagilla pacifica sp. n. and U. karlingi sp. n.(Umagillidae), endosymbiotic with holothurians (Echinodermata) from the Great Barrier Reef; and a discussion of sclerotic structures in the female system of the Umagillidae.
