Publications
Siemensma, FJ, 1979. Zonnediertjes K.N.N.V. Natura, 76, 4.
Siemensma, FJ, 1980. Amoeben. K.N.N.V Natura, 77, 2.
Siemensma, FJ, 1981. De Nederlandse Zonnediertjes (Actinopoda, Heliozoa). Wet. Med. K.N.N.V, 149 – Hoogwoud.
Siemensma, FJ, 1982. Schaalamoeben. K.N.N.V. Natura, 79, 4.
Siemensma, FJ, Page, FC, 1986. A light- and electron-microscopical study of Trichamoeba sinuosa n. sp. (Amoebida) with a re-diagnosis of the genus. Protistologica. 22, 117-125.
Willumsen, NBS, Siemensma, FJ, Suhr-Jessen, P, 1987. A Multinucleate Amoeba, Parachaos zoochlorellae (Willumsen 1982) comb, nov, and a Proposed Division of the Genus Chaos into the Genera Chaos and Parachaos (Gymnamoebia, Amoebidae).
Siemensma, FJ, 1987a. De Nederlandse Naaktamoeben (Rhizopoda, Gymnamoebia) – Wet. Med. K.N.N.V, 181 – Hoogwoud.
Roijackers, RMM, Siemensma, FJ, 1988. A Study of Cristidiscoidid Amoebae (Rhizopoda, Filosea), with Descriptions of New Species and Keys to Genera and Species – Arch. Protistenkd. 135. 237-253.
Siemensma, FJ, Roijackers, RMM, 1988a. A study of little-known acanthocystid heliozoeans, and a proposed revision of the genus Acanthocystis (Actinopoda, Heliozoea). Arch.Protistenkd, 135.197-212.
Siemensma, FJ, Roijackers, RMM., 1988b. The genus Raphidiophrys (Actinopoda, Heliozoa): scale morphology and species distinction. Arch. Protistenkd,136.237-248.
Page, FC, Siemensma, FJ, 1991. Nackte Rhizopoda und Heliozoea – Gustav Fischer Verlag.
Siemensma, FJ, 1991. Heliozoea. In: Page, FC & Siemensma, FJ Nackte Rhizopoda und Heliozoea.Protozoenfauna, Vol. 2, Fischer Verlag, Stuttgart. pp 171—290.
Mikrjukov, KA, Siemensma, FJ, Patterson, DJ, 2000. Phylum Heliozoa. In: An Illustrated Guide To The Protozoa, Second Edition, II, 860-871.
Siemensma, FJ, 2014a. Clathrella foreli – Eine nach hundert Jahren wiederentdeckte Amöbe – Mikrokosmos 103, 3.
Siemensma, FJ, Opitz, AM, 2014b. Beobachtungen an Pseudonebela africana, einer seltenen, doch weltweit verbreiteten Schalenamöbe – Mikrokosmos 103, 4.
Blandenier, Q, Lara, E, Mitchell, E.A.D, Alcantara, DMC, Siemensma, FJ, Todorov, M, Lahr, DJG., 2017. NAD9/NAD7 (mitochondrial nicotinamide adenine dinucleotide dehydrogenase gene) − a new “Holy Grail” phylogenetic and DNA-barcoding marker for Arcellinida (Amoebozoa)? Eur. J. Protistol. https://dx.doi.org/10.1016/j.ejop.2016.12.002.
Siemensma, F, Apothéloz-Perret-Gentil, L, Holzmann, M, Clauss, S, Völcker, E, Pawlowski, J, 2017. Taxonomic Revision of Freshwater Foraminifera with the Description of Two New Agglutinated Species and Genera. European Journal of Protistology, 60, 28-44.
Dumack, K, Siemensma, F, Bonkowski, M, 2018. Rediscovery of the Testate Amoeba Genus Penardeugenia (Thaumatomonadida, Imbricatea). Protist, 169, 1, 29-42.
Ntakou, E, Siemensma, F, Bonkowski, M, Dumack, K., 2019. The Dancing Star: Reinvestigation of Artodiscus saltans (Variosea, Amoebozoa) Penard 1890. Protist, 170.349-357.
Siemensma, F, Dumack, K., 2019. SSU rDNA Phylogeny Indicates the Scale-lacking Trivalvularida ord. nov. as a Sister Group to the Euglyphida (Cercozoa, Rhizaria) Protist, 171.1. https://doi.org/10.1016/j.protis.2019.125701
Küppers, GC, Kosakyan, A, Siemensma, F, Claps, MC, Da Silva Paiva, T, Fernandez, LD, Burdman, L, Krashevska, V, Lara, E, and Damborenea, C, 2019. Chapter 2 Protozoa, in: Damborenea, C, Thorp, JH, Rogers, C (Eds.), 2020. Thorp and Covich’s Freshwater Invertebrates: Volume 5: Keys to Neotropical and Antarctic Fauna, 4th ed. Elsevier Inc, San Diego.
Dumack, K, Siemensma, F, 2020. Shell Colour in Cercozoa; a Simple Trait to Distinguish Thecofilosea from Imbricatea? Protist, 171. https://doi.org/10.1016/j.protis.2020.125718
Dumack, K, Görzena, D, González-Miguéns, R, Siemensma, F, Lahr, DJG, Lara, E, Bonkowski, M, 2020. Molecular investigation of Phryganella acropodia Hertwig et Lesser, 1874 (Arcellinida, Amoebozoa). Eur. J. Protistol, https://doi.org/10.1016/j.ejop.2020.125707
Baković, N, Siemensma, FJ, Baković, R, Rubinić, J, 2019. Testate amoebae in karst caves of the Dinaric arc (South-Eastern Europe) with a description of Centropyxis bipilata sp. nov. Acta Protozoologica, 58.
Siemensma, F, Holzmann, M, Apothéloz-Perret-Gentil, L, Clauss, S, Völcker, E, Bettighofer, W, Khanipour Roshan, S, Walden, S, Dumack, K, Pawlowski, J, 2021. Broad sampling of monothalamids (Rhizaria, Foraminifera) gives further insight into diversity of non-marine foraminifera. Eur. J. Protistol, https://doi.org/10.1016/j.ejop.2020.125744
Dumack, K, Siemensma, F, Clauß, S, 2021. Transfer of the thecate amoebae Lecythium spinosum and Pamphagus armatus to Rhizaspis (Thecofilosea, Cercozoa, Rhizaria). Eur. J. Protistol, https://doi.org/10.1016/j.ejop.2021.125843
Holzmann, M, Gooday, AJ, Siemensma, F, Pawlowski, J. (2021). Review: Freshwater and soil Foraminifera – A story of long-forgotten relatives. Journal of Foraminiferal Research, v. 51, no. 4, p. 318–331.
Baković, N, Matoničkin Kepčija, R, Siemensma FJ (2022). Transitional and small aquatic cave habitats diversification based on protist assemblages in the Veternica cave (Medvednica Mt, Croatia). Subterranean Biology 42: 43–60. https://doi.org/10.3897/subtbiol.42.78037
Baković, N, Siemensma, F, Puljas, S, Baković, R, Ozimec, R, Ostojić, A, Mesić, Z, (2023). First data on testate amoebae associated with the endemic cave bivalve Congeria jalzici Morton & Bilandžija, 2013 with a description of Psammonobiotus dinarica sp. nov., Subterranean Biology, 45: 53-74. https://doi: 10.3897/subtbiol.45.97105
Siemensma, F., Holzmann, M. (2023) Novel contributions to the molecular and morphological diversity of freshwater monothalamid foraminifera: Description of six new species. European Journal of Protistology, https://https://doi.org/10.1016/j.ejop.2023.126014
G.M. Ribeiro, F. Useros, K. Dumack, R. González-Miguéns, F. Siemensma, A.L. Porfírio-Sousa, C. Soler-Zamora, J. Pedro Barbosa Alcino, D.J.G. Lahr, E. Lara. (2023). Expansion of the cytochrome C oxidase subunit I database and description of four new lobose testate amoebae species (Amoebozoa; Arcellinida), European Journal of Protistology (2023), https://doi.org/10.1016/j.ejop.2023.126013
González-Miguéns, R., Cano, E., García-Gallo Pinto, M., Peña, P. G., Rincón-Barrado, M., Iglesias, G., Blanco-Rotea, A., Carrasco-Braganza, M. I., de Salvador-Velasco, D., Guillén-Oterino, A., Tenorio-Rodríguez, D., Siemensma, F., Velázquez, D., & Lara, E. (2024). The voice of the little giants: Arcellinida testate amoebae in environmental DNA-based bioindication, from taxonomy free to haplotypic level. Molecular Ecology Resources, 00, e13999. https://doi.org/10.1111/1755-0998.13999
Wanner, M., Siemensma, F., Prasad Acharja, I., Tshering, J., Khandu, P., Lal Gajmer, S., Gyeltshen, C., Dorji, T., Tenzin, K., Shimano, S. (2024). Testate amoebae from the wetlands of the Phobjikha Valley of Bhutan, the Eastern Himalayas. European Journal of Protistology 96, 126125. https://doi.org/10.1016/j.ejop.2024.126125
Łuców, D., Siemensma, F., Avirmed, D., Obremska, M., Słowiński, M., Zawiska, I. (2025). Morphological and morphometric investigations on testate amoebae from Mongolia with descriptions of a new genus and four new species. European Journal of Protistology 97, 126128. https://doi.org/10.1016/j.ejop.2024.126128
Taylor, B., Strüder-Kypke, M., Siemensma, F. (2025). A new species of testate amoeba, Arcella prismatica sp. nov. (Amoebozoa: Arcellinida), from peatlands in Ontario and Quebec, Canada. Can Field Nat 138, 1–15. https://doi.org/10.22621/cfn.v138i1.3195
Holzmann, M., Siemensma, F. (2025). A new freshwater monothalamid (Rhizaria, Foraminifera) from the Pyrenees branching within a marine clade.
European Journal of Protistology 99, 126156. https://doi.org/10.1016/j.ejop.2025.126156
