Foissner, I.; Foissner, W. (1993). Revision of the family Spironemidae Doflein (Protista, Hemimastigophora), with description of two new species, Spironema terricola n. sp. and Stereonema geiseri n. g., n. sp. Journal of Eukaryotic Microbiology. 40(4): 422-438.
Revision of the family Spironemidae Doflein (Protista, Hemimastigophora), with description of two new species, Spironema terricola n. sp. and Stereonema geiseri n. g., n. sp.