ETHERINGTON, D On a sporozoon in the coelomic corpuscles of Phascolosoma minutum Keferstein (Sipunculoidea). [electronic resource] - Parasitology May 1953 - 160-9 p. digital Publication Type: Journal Article ISSN: 0031-1820 Standard No.: 10.1017/s0031182000018448 doi Subjects--Topical Terms: AnimalsApicomplexaHelminthsInfectionsPolychaeta