The demise of Leptotheca Thelohan, 1895 (Myxozoa: Myxosporea: Ceratomyxidae) and assignment of its species to Ceratomyxa Thelohan, 1892 (Myxosporea: Ceratomyxidae), Ellipsomyxa Koie, 2003 (Myxosporea: Ceratomyxidae), Myxobolus Butschli, 1882 and Sphaerospora Thelohan, 1892 (Myxosporea: Sphaerosporidae). Systematic Parasitology, 75(2), February 2010: 81-104. [Zoological Record Volume 146]