Berger H. (2015): Monograph of the Hypotricha (Ciliophora). Volume 6 (provisional title). - Monographiae Biologicae, vol. ##: Springer. In preparation.

Berger H. (2014): Monograph of the Keronopsidae, Uroleptidae, Rigidotrichidae, and some other groups (Ciliophora, Hypotricha). - Monographiae Biologicae, vol. ##: Springer. In preparation. More information.

Lu X., Huang J., Shao C. & Berger H. (2018): Morphology, cell-division, and phylogeny of Schmindingerothrix elongata spec. nov. (Ciliophora, Hypotricha), and brief guide to hypotrichs with Gonostomum-like oral apparatus. – Europ. J. Protistol., 62: 24-42.More information

Berger H., Foissner W. (2014): Typification of the genus Dileptus Dujardin, 1841 (Ciliophora, Rhynchostomatia). - European Journal of Protistology, 50, 314-317.Open Access More information.

Shao C., Li L., Zhang Q., Song W., Berger H. (2014): Molecular phylogeny and ontogeny of a new ciliate genus, Paracladotricha salina n. g., n. sp. (Ciliophora, Hypotrichia). - The Journal of Eukaryotic Microbiology 61: 371-380.Open Access More information.

Huang J., Chen Z., Song W. & Berger H. (2014): Three-gene based phylogeny of the Urostyloidea (Protista, Ciliophora, Hypotricha), with notes on classification of some core taxa. – Molecular Phylogenetics and Evolution, 70: 337-347 (published 05.11.2013). Open Access More information.

Weisse T., Moser M., Scheffel U., Stadler P., Berendonk T., Weithoff G., Berger H. (2013): Systematics and species-specific response to pH of Oxytricha acidotolerans sp. nov. and Urosomoida sp. (Ciliophora, Hypotricha) from acid mining lakes. – European Journal of Protistology 49: 255–271. Open Access More information

Shao C., Song W., Al-Rasheid K.A.S., Berger H. (2012): Redefinition and reassignment of the 18-cirri genera Hemigastrostyla, Oxytricha, Urosomoida, and Actinotricha (Ciliophora, Hypotricha), and description of one new genus and two new species. – Acta Protozoologica 50 (year 2011): 263–287 Open Access More information

Berger H. (2013): Monograph of the Hypotricha (Ciliophora), a treatise dealing with a major group of limnetic protists - SIL, XXXII Congress, Budapest 4-9 August 2013. Abstract P-24 on p. 87 of Abstract booklet.

Berger H. (2013): Nomenclator Ciliophorum and Monograph of the Hypotricha, two works documenting the biodiversity of ciliates (Ciliophora) - 2nd BioSyst.EU Meeting, February 18-22, 2013, Vienna. Abstract on p. 27 of Abstract booklet.

Berger H. (2012): Monograph of the Hypotricha and Nomenclator Ciliophorum, two useful works for all who deal with ciliates. - 31th Annual Meeting of the German Society of Protozoology, March 1-3, 2012, Wuppertal. Abstract on p. 96 of Abstract booklet.

Weisse T., Moser M., Scheffel U., Stadler P., Berendonk T., Weithoff G., Berger H. (2012): Morphology, phylogenetic relationships, and pH response of two as yet undescribed Oxytricha species (Ciliophora, Hypotricha) - 31th Annual Meeting of the German Society of Protozoology, March 1-3, 2012, Wuppertal. Abstract on p. 110 of Abstract booklet.

Berger H. (2011): Monograph of the Hypotricha (Ciliophora): final spurt. - VI European Congress of Protistology, 25–29 July 2011, Berlin, Germany, Abstract booklet, p. 42. Abstract.

Shao C., Song W., Berger H. (2011): A new species of Hemigastrostyla and notes on the non-monophyly of some oxytrichid genera (Ciliophora, Hypotricha). - VI European Congress of Protistology, 25–29 July 2011, Berlin, Germany, Abstract booklet, p. 113–114. Abstract.

Berger H. (2013): Monograph of the Hypotricha (Ciliophora), a treatise dealing with a major group of limnetic protists - SIL, XXXII Congress, Budapest 4-9 August 2013. Poster (13 MB, PDF).

Berger H. (2013): Nomenclator Ciliophorum and Monograph of the Hypotricha, two works documenting the biodiversity of ciliates (Ciliophora) - 2nd BioSyst.EU Meeting, February 18-22, 2013, Vienna. Poster (14 MB, PDF).

Berger H. (2012): Monograph of the Hypotricha and Nomenclator Ciliophorum, two useful works for all who deal with ciliates. - 31th Annual Meeting of the German Society of Protozoology, March 1-3, 2012, Wuppertal. Poster (8 MB, PDF).

Weisse T., Moser M., Scheffel U., Stadler P., Berendonk T., Weithoff G., Berger H. (2012). Morphology, phylogenetic relationships, and pH response of two as yet undescribed Oxytricha species (Ciliophora, Hypotricha). - 31th Annual Meeting of the German Society of Protozoology, March 1-3, 2012, Wuppertal. Poster (7 MB, PDF).

Berger H. (2011): Monograph of the Hypotricha (Ciliophora): final spurt. - VI European Congress of Protistology, 25–29 July 2011, Berlin, Germany. Poster (16 MB, PDF)

Shao C., Song W., Berger H. (2011): A new species of Hemigastrostyla and notes on the non-monophyly of some oxytrichid genera (Ciliophora, Hypotricha). - VI European Congress of Protistology, 25–29 July 2011, Berlin, Germany.