Berger H., Foissner W., Adam H. (1984) Taxonomie, Biometrie und Morphogenese einiger terricoler Ciliaten (Protozoa: Ciliopho,ra). Zool. Jb. Syst. 111: 339–367
Buitkamp U. (1977) Über die Ciliatenfauna zweier mitteleu,ropäischer Bodenstandorte (Protozoa; Ciliata). Decheniana (Bonn) 130: 114–126
Corliss J. O. (1979) The Ciliated Protozoa. Characterization, Clas,sification and Guide to the Literature. 2nd ed. Pergamon Press, Oxford, New York, Toronto, Sydney, Paris, Frankfurt
Dragesco J., Dragesco-Kernéis A. (1979) Cilies muscicoles nou,veaux ou peu connus. Acta Protozool. 18: 401–416
Dragesco J., Dragesco-Kernéis A. (1986) Ciliés libres de l’Afrique intertropicale. Introduction à la connaissance et à l’étude des ciliés. Faune tropicale (Éditions de L’ORSTOM, Paris) 26: 1–559
Dujardin F. (1841) Histoire naturelle des zoophytes. Infusoires. Suites à Buffon, Paris
Dunthorn M., Stoeck T., Wolf K., Breiner H.-W., Foissner W. (2012) Diversity and endemism of ciliates inhabiting Neotropical phy,totelmata. Syst. Biodivers. 10: 195–205
Finlay B. J., Corliss J. O., Esteban G., Fenchel T. (1996) Biodiver,sity at the microbial level: the number of free-living ciliates in the biosphere. Q. Rev. Biol. 71: 221–237
Foissner W. (1984) Infraciliatur, Silberliniensystem und Biometrie einiger neuer und wenig bekannter terrestrischer, limnischer und mariner Ciliaten (Protozoa: Ciliophora) aus den Klassen Kinetofragminophora, Colpodea und Polyhymenophora. Stap,fia 12: 1–165
Foissner W. (1991) Basic light and scanning electron microscopic methods for taxonomic studies of ciliated protozoa. Europ. J. Protistol. 27: 313–330
Foissner W. (2003) Two remarkable soil spathidiids (Ciliophora: Haptorida), Arcuospathidium pachyoplites sp. n. and Spathi,dium faurefremieti nom. n. Acta Protozool. 42: 145–159
Foissner W. (2010) Life cycle, morphology, ontogenesis, and phy,logeny of Bromeliothrix metopoides nov. gen., nov. spec., a pe,culiar ciliate from tank bromeliads. Acta Protozool. 49: 159–193 Foissner W., Agatha S., Berger H. (2002) Soil ciliates (Protozoa, Ciliophora) from Namibia (Southwest Africa), with emphasis on two contrasting environments, the Etosha region and the Na,mib Desert. Denisia 5: 1–1459
Foissner W., Müller H., Agatha S. (2007) A comparative fine struc,tural and phylogenetic analysis of resting cysts in oligotrich and hypotrich Spirotrichea (Ciliophora). Eur. J. Protistol. 43: 295–314
Foissner W., Müller H., Weisse T. (2005) The unusual, lepidosome,coated resting cyst of Meseres corlissi (Ciliophora, Oligotrichea): light and scanning electron microscopy, cytochemistry. Acta Protozool. 44: 201–215
Foissner W., Quintela-Alonso P., Al-Rasheid K. (2008) Soil ciliates from Saudi Arabia, including descriptions of two new genera and six new species. Acta Protozool. 47: 317–352
Foissner W., Strüder-Kypke M., van der Staay G. W. M., Moon,van der Staay S.-Y., Hackstein J. H. P. (2003) Endemic ciliates (Protozoa, Ciliophora) from tank bromeliads: a combined mor,phological, molecular, and ecological study. Eur. J. Protistol. 39: 365–372
Foissner W., Xu K. (2007) Monograph of the Spathidiida (Cilio,phora, Haptoria). Vol. I: Protospathidiidae, Arcuospathidiidae, Apertospathulidae. Monogr. Biol. 81: 1–485
Preisig H. R., Anderson O. R., Corliss J. O., Moestrup Ø., Powell M. J., Roberson R. W., Wetherbee R. (1994) Terminology and nomenclature of protist cell surface structures. Protoplasma 181: 1–28
Vďačný P., Foissner W. (2012) Monograph of the dileptids (Protista, Ciliophora, Rhynchostomatia). Denisia 31: 1–529
Wenzel F. (1955) Über eine Artentstehung innerhalb der Gattung Spathidium (Holotricha, Ciliata). [S. ascendens n. sp. Und S. polymorphum n. sp.]. Arch. Protistenk. 100: 515–540
Wenzel F. (1959) Ein Beitrag zur Kenntnis der Ciliatengattung Spathidium (S. stammeri n. sp.). Zool. Anz. 163: 209–216