Bryłka, K., Witkowski, J., Bohaty, S.M. (2024). Biogenic silica accumulation and diatom assemblage variations through the Eocene-Oligocene Transition: A Southern Indian Ocean versus South Atlantic perspective. Palaeogeography, Palaeoclimatology, Palaeoecology 636, 111971. WWW (publisher website)
Wubben, E., Veenstra, T., Witkowski, J., Raffi, I., Hilgen, F., Bos, R., van Dijk, J., Lathouwers, Y., Spiering, B., Vennema, L., Wang, Z., Sangiorgi, F., Sluijs, A. (2023). Astrochronology of the Miocene Climatic Optimum record from Ocean Drilling Program Site 959 in the eastern equatorial Atlantic. Newsletters on Stratigraphy 56,
457-484.
WWW (publisher website)
Williams, D.M., Sims, P.A., Witkowski, J. (2023). Notes on the rare Cretaceous species Syndetocystis uralensis Strelnikova leading to the description of a new monotypic genus Monoportula P.A.Sims et D.M.Williams nov. gen. Phytotaxa 595, 219-224. WWW (publisher website)
Witkowski, J. (2022). Early Paleocene-Late Eocene diatoms from the Blake Nose, western North Atlantic Ocean. Nova Hedwigia Beiheft 152, 1-381. WWW (publisher website)
Williams, D.M., Witkowski, J. (2022). Priority of the names Gyrocylindrus Strelnikova & Nikolaev and Cylindrospira Mitlehner (Hemiaulaceae, Bacillariophyta). Notulae Algarum 231,
1-3.
WWW (publisher website)
Szaruga, A., McCartney, K., Witkowski, J. (2022). A silicoflagellate plexus associated with Bachmannocena diodon subsp. nodosa from the Eastern Equatorial Pacific (Ocean Drilling Program Leg 138). Acta Geologica Polonica 72,
145-158.
WWW (publisher website)
McCartney, K., Witkowski, J., Jordan, R.W., Abe, K., Januszkiewicz, A., Wróbel, R., Bąk, M., Soeding, E. (2022). Silicoflagellate evolution through the Cenozoic. Marine Micropaleontology 172, 102108. WWW (publisher website)
Sims, P. A., Witkowski, J., César, E. A. (2021). Crawfordia gen. nov.: solving the riddle of Triceratium hardmannianum Grev. (Bacillariophyta). Nova Hedwigia, Beiheft 151, 205-221.
Witkowski, J., Bryłka, K., Bohaty, S.M., Mydłowska, E., Penman, D.E., Wade, B.S. (2021). North Atlantic marine biogenic silica accumulation through the early to middle Paleogene: implications for ocean circulation and silicate weathering feedback. Climate of the Past 17,
1937-1954.
WWW (publisher website)
Williams, D.M., Sims, P.A., Witkowski, J. (2021). Notes on the diatom collection of the Natural History Museum, London (BM) V: (a) ‘Stictodiscus manillensis’ nom. nud., (b) Stictodiscus pantocsekii and ‘Stictodiscus pantocsekii var. minor’, (c) a note on the name ‘Stictodiscella’; and (d) some comments on Jósef Pantocsek’s Beiträge zur Kenntnis der Fossilen Bacillarien Ungarns. Phytotaxa 507, 167-174. WWW (publisher website)
Tulan, E., Sachsenhofer, R.F., Tari, G., Witkowski, J., Tămaș, D.M., Horvat, A.,Tămaș, A. (2020). Hydrocarbon source rock potential and paleoenvironment of lower Miocene diatomites in the Eastern Carpathians Bend Zone (Sibiciu de Sus, Romania). Geologica Carpathica 71,
424-443.
WWW (publisher website)
Wade, B.S., O’Neill, J.F., Phujareanchaiwon, C., Ali, I., Lyle, M.W., Witkowski, J. (2020). Evolution of deep-sea sediments across the Paleocene-Eocene and Eocene-Oligocene boundaries. Earth-Science Reviews 211,
103403.
WWW (publisher website)
Witkowski, J., Penman, D.E., Bryłka, K., Wade, B.S., Matting, S., Harwood, D.M., Bohaty, S.M. (2020). Early Paleogene biosiliceous sedimentation in the Atlantic Ocean: testing the inorganic origin hypothesis for Paleocene and Eocene chert and porcellanite. Palaeogeography, Palaeoclimatology, Palaeoecology 556, 109896. WWW (publisher website)
Li, C., Ashworth, M.P., Mackiewicz, P., Dąbek, P., Witkowski, J., Górecka, E., Krzywda, M., Witkowski, A. (2020). Morphology, phylogeny, and molecular dating in Plagiogrammaceae family focused on Plagiogramma-Dimeregramma complex (Urneidophycidae, Bacillariophyceae). Molecular Phylogenetics and Evolution 148,
106808.
WWW (publisher website)
Witkowski, J., Harwood, D.M., Wade, B.S., Bryłka, K. (2020). Rethinking the chronology of early Paleogene sediments in the western North Atlantic using diatom biostratigraphy. Marine Geology 424,
106168.
WWW (publisher website)
McCartney, K., Witkowski, J., Nowakowski, R., Szaruga, A., Wróbel, R., Zgłobicka, I. (2020). Evolution of the silicoflagellate naviculopsid skeletal morphology in the Cenozoic. Marine Micropaleontology 156, 101820. WWW (publisher website)
Tulan, E., Sachsenhofer, R.F., Witkowski, J., Tari, G., Ćorić, S, Bechtel, A. (2020). Microfossil assemblages (diatoms, calcareous nannofossils, and silicoflagellates), paleoenvironment, and hydrocarbon source rock potential of the Oligocene Ruslar Formation at Karadere, Bulgaria. Turkish Journal of Earth Sciences 29,
154-169.
WWW (publisher website)
Tulan, E., Radl, M.S., Sachsenhofer, R.F., Tari, G., Witkowski, J. (2020). Hydrocarbon source rock potential of Miocene diatomaceous sequences in Szurdokpüspöki (Hungary) and Parisdorf/Limberg (Austria). Austrian Journal of Earth Sciences 113,
24-42.
WWW (publisher website)
Williams, D.M., Witkowski, J., Sims, P.A. (2018). The nomenclatural significance of the unique diatom names published in Thomas Mellor’s book Common Diatoms (1920). Nova Hedwigia, Beiheft 147, 307-318.
McCartney, K., Witkowski, J., Szaruga, A. (2018). Palaeocene–early Eocene Southern subtropical to subpolar silicoflagellate biostratigraphy. Acta Geologica Polonica 68,
219-248.
WWW (publisher website)
Witkowski, J. (2018). From museum drawers to ocean drilling: Fenneria gen. nov. (Bacillariophyta) offers new insights into Eocene marine diatom biostratigraphy and paleobiogeography. Acta Geologica Polonica 68,
53-88.
WWW (publisher website)
Witkowski, J., Sims, P.A., Williams, D.M. (2017). Typification of Eocene-Oligocene diatom taxa proposed by Grove & Sturt (1886-1887) from the Oamaru Diatomite. Diatom Research 32, 363-408. WWW (publisher website)
Majewski, W., Tatur, A., Witkowski, J., Gaździcki, A. (2017). Rich shallow-water benthic ecosystem in Late Miocene East Antarctica (Fisher Bench Fm, Prince Charles Mountains). Marine Micropaleontology 133, 40-49. WWW (publisher website)
McCartney, K., Witkowski, J. (2016). Cenozoic silicoflagellate skeletal morphology: a review and suggested terminology. Journal of Micropalaeontology 35,
179-189.
WWW (publisher website)
McCartney, K., Abe, K., Jordan, R.W., Witkowski, J. (2015). Morphological variation of pike structures in Corbisema (Silicoflagellata) from the Early and Middle Eocene. Journal of Nannoplankton Research 35,
177-184.
WWW (publisher website)
Dąbek, P., Witkowski, J., Witkowski, A., Riaux-Gobin, C. (2015). Morphology of Biddulphia seychellensis (Grunow in Van Heurck) F.W. Mills and the generic limits of Biddulphia Gray.. Nova Hedwigia, Beiheft 144, 97-105.
Witkowski, J., Sims, P.A., Strelnikova, N.I., Williams, D.M. (2015). Entogoniopsis gen. nov. and Trilamina gen. nov. (Bacillariophyta): a survey of multipolar pseudocellate diatoms with internal costae, including comments on the genus Sheshukovia Gleser. Phytotaxa 209, 1-89. WWW (publisher website)
McCartney, K., Abe, K., Harrison, M.A., Witkowski, J., Harwood, D.M., Jordan, R.W. (2015). Silicoflagellate double skeletons in the geologic record. Marine Micropaleontology 117, 65-79. WWW (publisher website)
McCartney, K., Abe, K., Witkowski, J., Jordan, R.W. (2015). Two rare silicoflagellate double skeletons of the Star-of-David configuration from the Eocene. Journal of Micropalaeontology 34,
97-99.
WWW (publisher website)
McCartney, K., Witkowski, J., Kulikovskiy, M. (2014). Early Campanian silicoflagellates from the Ural Federal District, Russia: a taxonomic and biostratigraphic reexamination of the A. P. Jousé sample suite. Micropaleontology 60, 543-556. WWW (publisher website)
McCartney, K., Malinverno, E., Schweizer, M., Witkowski, J., Young, J.R. (2014). Two unusual silicoflagellate double skeletons. Journal of Nannoplankton Research 33, 19-22.
McCartney, K., Witkowski, J., Jordan, R.W., Daugbjerg, N., Malinverno, E., van Wezel, R., Kano, H., Abe, K., Scott, F., Schweizer, M., Young, J.R., Hallegraeff, G.M., Shiozawa, A. (2014). Fine structure of silicoflagellate double skeletons. Marine Micropaleontology 113, 10-19. WWW (publisher website)
McCartney, K., Witkowski, J., Harwood, D.M. (2014). New insights into skeletal morphology of the oldest known silicoflagellates: Variramus, Cornua and Gleserocha gen. nov.. Revue de Micropaléontologie 57, 75-91. WWW (publisher website)
Witkowski, J., Harwood, D.M. (2014). Hemiaulus giganteus Jousé ex Strelnikova: lectotypification and comparison to the generitype, H. proteus Heiberg. Nova Hedwigia, Beiheft 143, 497-505.
Witkowski, J., Bohaty, S.M., Edgar, K.M., Harwood, D.M. (2014). Rapid fluctuations in mid-latitude siliceous plankton production during the Middle Eocene Climatic Optimum (ODP Site 1051, western North Atlantic). Marine Micropaleontology 106, 110-129. WWW (publisher website)
Sims, P.A., Witkowski, J. (2012). Generic limits within the Eupodiscaceae: I. Observations on three unusual species of Cerataulus, with reference to the type species, C. turgidus. Diatom Research 27, 223-236. WWW (publisher website)
Witkowski, J., Bohaty, S.M., McCartney, K., Harwood, D.M. (2012). Enhanced siliceous plankton productivity in response to middle Eocene warming at Southern Ocean ODP Sites 748 and 749. Palaeogeography, Palaeoclimatology, Palaeoecology 326-328, 78-94. WWW (publisher website)
Witkowski, J., Harwood, D.M., Kulikovskiy, M. (2012). Observations on Late Cretaceous marine diatom resting spore genera Pseudoaulacodiscus and Archaegoniothecium gen. nov.. Nova Hedwigia, Beiheft 141, 375-404.
Witkowski, J., Sims, P.A., Harwood, D.M. (2011). Rutilariaceae redefined: a review of fossil bipolar diatom genera with centrally positioned linking structures, with implications for the origin of pennate diatoms. European Journal of Phycology 46,
378-398.
WWW (publisher website)
Witkowski, J., Harwood, D.M., Chin, K. (2011). Taxonomic composition, paleoecology and biostratigraphy of Late Cretaceous diatoms from Devon Island, Nunavut, Canadian High Arctic. Cretaceous Research 32, 277-300. WWW (publisher website)
McCartney, K., Witkowski, J., Harwood, D.M. (2011). Late Cretaceous silicoflagellate taxonomy and biostratigraphy of the Arctic Margin, Northwest Territories, Canada. Micropaleontology 57, 61-86. WWW (publisher website)
McCartney, K., Witkowski, J., Harwood, D.M. (2011). Unusual assemblages of Late Cretaceous silicoflagellates from the Canadian Archipelago. Revue de Micropaléontologie 54, 31-58. WWW (publisher website)
McCartney, K., Harwood, D.M., Witkowski, J. (2011). Unusual examples of the silicoflagellate Lyramula simplex from the Campanian of northwestern Canadian Arctic. Journal of Nannoplankton Research 32,
33-37.
WWW (publisher website)
Witkowski, J., Harwood, D.M. (2010). Observations on two species of Lepidodiscus Witt (Bacillariophyta) from Devon Island, Canadian High Arctic. Micropaleontology 56, 587-597. WWW (publisher website)
Witkowski, J., Harwood, D.M. (2010). Blochia and Nikolaevia: new Cretaceous diatom genera related to Stellarima Hasle & Sims. Diatom Research 25, 445-458. WWW (publisher website)
McCartney, K., Witkowski, J., Harwood, D.M. (2010). Early evolution of the silicoflagellates during the Cretaceous. Marine Micropaleontology 77, 83-100. WWW (publisher website)
McCartney, K., Harwood, D.M., Witkowski, J. (2010). A rare double skeleton of the silicoflagellate Corbisema. Journal of Micropalaeontology 29,
185-186.
WWW (publisher website)
Chin, K., Bloch, J.D., Sweet, A.R., Tweet, J.S., Eberle, J.J., Cumbaa, S.L., Witkowski, J., Harwood, D.M. (2008). Life in a temperate polar sea: a unique taphonomic window on the structure of a Late Cretaceous Arctic Marine Ecosystem. Proceedings of the Royal Society B 275, 2675-2685. WWW (publisher website)