TY - GEN AU - ETHERINGTON,D TI - On a sporozoon in the coelomic corpuscles of Phascolosoma minutum Keferstein (Sipunculoidea) SN - 0031-1820 PY - 2003///0501 KW - Animals KW - Apicomplexa KW - Helminths KW - Infections KW - Polychaeta N1 - Publication Type: Journal Article UR - https://doi.org/10.1017/s0031182000018448 ER -