Da Silva Paiva, T.; Da Silva-Neto, I. D.

Morphology and Morphogenesis of Strongylidium pseudocrassum Wang and Nie, 1935, With Redefinition of Strongylidium Sterki, 1878  (Protista: Ciliophora: Stichotrichia)

. Zootaxa 2007, 1559, 31–57.