Table 1. All marine palynomorph taxa encountered in the present study are given below with authorial citations. Genera are listed only for those species placed in open nomenclature. The taxonomic literature is cited fully in Head (2003), Fensome & Williams (2004), De Schepper et al. (2004) and Louwye et al. (2004).

Dinocysts
Achomosphaera cf. andalousiensis sensu Strauss in Strauss & Lund (1992). See also Strauss et al. (2001).
Apteodinium emslandense (Gerlach, 1961) Stover & Evitt, 1978
Apteodinium spiridoides Benedek, 1972, emend. Benedek & Sarjeant, 1981
Apteodinium tectatum Piasecki, 1980
Barssidinium pliocenicum (Head, 1993) Head, 1994, emend. De Schepper et al., 2004
Batiacasphaera hirsuta Stover, 1977
Batiacasphaera micropapillata Stover, 1977 (vermiculoreticulate morphotype)
Batiacasphaera spherica Stover, 1977
Genus Brigantedinium Reid, 1977 ex Lentin & Williams, 1993
Brigantedinium spp.
Calcareous cyst linings.  See comments in Head et al. (2006)
Cerebrocysta “cassinascoensis” Zevenboom & Santarelli in Zevenboom, 1995 (unpublished manuscript name)
Cerebrocysta? poulsenii de Verteuil & Norris, 1996
Genus Cleistosphaeridium Davey et al., 1966, emend. Eaton et al., 2001
Cleistosphaeridium ancyreum (Cookson & Eisenack, 1965) Eaton et al., 2001
Cleistosphaeridium placacanthum (Deflandre & Cookson, 1955) Eaton et al., 2001
Cleistosphaeridium spp.
Cordosphaeridium cantharellus (Brosius, 1963) Gocht, 1969
Cordosphaeridium minimum sensu Benedek & Sarjeant (1981)
Cribroperidinium tenuitabulatum (Gerlach, 1961) Helenes, 1984, emend. Sarjeant, 1984
Dapsilidinium pseudocolligerum (Stover, 1977) Bujak et al., 1980
Distatodinium paradoxum (Brosius, 1963) Eaton, 1976
Echinidinium euaxum (Head, 1993) Head et al., 2001 (?)
Exochosphaeridium insigne de Verteuil & Norris, 1996
Genus Geonettia de Verteuil & Norris, 1996 (?)
Geonettia? sp.
Glaphyrocysta reticulosa (Gerlach, 1961) Stover & Evitt, 1978, sensu lato
Habibacysta tectata Head et al., 1989
Heteraulacacysta sp. A of Costa & Downie (1979)
Homotryblium plectilum Drugg & Loeblich Jr., 1967
Genus Hystrichokolpoma Klumpp, 1953, emend. Zevenboom & Santarelli in Zevenboom, 1995
Hystrichokolpoma sp. cf. H. denticulatum Matsuoka, 1974
Hystrichokolpoma rigaudiae Deflandre & Cookson, 1955, sensu lato
Hystrichokolpoma sp. A
Hystrichosphaeropsis obscura Habib, 1972
Genus Impagidinium Stover & Evitt, 1978
Impagidinium pallidum Bujak, 1984
Impagidinium spp.
Invertocysta tabulata Edwards, 1984
Labyrinthodinium truncatum Piasecki, 1980
Labyrinthodinium truncatum subsp. truncatum (autonym)
Genus Lejeunecysta Artzner & Dörhöfer, 1978, emend. Lentin & Williams, 1976 (see Head, 1993)
Lejeunecysta cinctoria (Bujak in Bujak et al., 1980) Lentin & Williams, 1981
Lejeunecysta fallax (Morgenroth, 1966) Artzner & Dörhöfer, 1978, emend. Biffi & Grignani, 1983
Lejeunecysta marieae (Harland in Harland et al., 1991) Lentin & Williams, 1993
Lejeunecysta spp.
Lingulodinium machaerophorum (Deflandre & Cookson, 1955) Wall, 1967
Melitasphaeridium choanophorum (Deflandre & Cookson, 1955) Harland & Hill, 1979
Genus Membranophoridium Gerlach, 1961, emend. Stover & Evitt, 1978
Membranophoridium sp.
Nematosphaeropsis labyrinthus (Ostenfeld, 1903) Reid, 1974
Operculodinium centrocarpum (Deflandre & Cookson, 1955) Wall, 1967 – O. israelianum (Rossignol, 1962) Wall, 1967
Operculodinium piaseckii Strauss & Lund, 1992, emend. de Verteuil & Norris, 1996
Operculodinium? borgerholtense Louwye, 2001
Operculodinium? longispinigerum Matsuoka, 1983
Genus Palaeocystodinium Alberti, 1961
Palaeocystodinium minor Strauss in Strauss et al., 2001
Palaeocystodinium miocenicum Strauss in Strauss et al., 2001
Palaeocystodinium powellii Strauss in Strauss et al., 2001 (orthographic correction)
Palaeocystodinium spp. indet. 
Genus Pentadinium Gerlach, 1961, emend. Benedek et al., 1982
Pentadinium laticinctum Gerlach, 1961, emend. Benedek et al., 1982
Pentadinium spp.
Genus Polysphaeridium Davey & Williams, 1966, emend. Bujak et al., 1980
Polysphaeridium zoharyi (Rossignol, 1962) Bujak et al., 1980
Polysphaeridium sp. A
Genus Pyxidinopsis Habib, 1976
Pyxidinopsis spp.
Pyxidinopsis spp. (rhombic-cruciform, fine ornament morphotype)
Reticulatosphaera actinocoronata (Benedek, 1972) Bujak & Matsuoka, 1986
Scrippsiella crystallina type. Organic wall of calcareous cyst: see Head et al. (2006)
Genus Selenopemphix Benedek, 1972, emend. Head, 1993
Selenopemphix brevispinosa Head et al., 1989
Selenopemphix conspicua (de Verteuil & Norris, 1992) Louwye et al., 2004
Selenopemphix nephroides Benedek, 1972, emend. Benedek & Sarjeant, 1981 (but see Head, 1993)
Selenopemphix quanta (Bradford, 1975) Matsuoka, 1985
Selenopemphix spp.
Genus Spiniferites Mantell, 1850, emend. Sarjeant, 1970
Spiniferites spp.
Sumatradinium druggii Lentin et al., 1994
Sumatradinium? sp. cf. S. soucouyantiae de Verteuil & Norris, 1992
Tectatodinium pellitum Wall, 1967, emend. Head, 1994
Trinovantedinium glorianum (Head et al., 1989) de Verteuil & Norris, 1992 (?)
Trinovantedinium harpagonium de Verteuil & Norris, 1992
Trinovantedinium? xylochoporum de Verteuil & Norris, 1992
Tuberculodinium vancampoae (Rossignol, 1962) Wall, 1967
Unipontidinium aquaeductus (Piasecki, 1980) Wrenn, 1988

Acritarchs
Genus Cyclopsiella Drugg & Loeblich Jr., 1967, emend. Head et al., 1989
Cyclopsiella lusatica (Krutzsch, 1970) Strauss & Lund, 1992
Cyclopsiella sp.
Genus Micrhystridium Deflandre, 1937, emend. Sarjeant & Stancliffe, 1994
Micrhystridium spp.
Nannobarbophora gedlii Head, 2003
Quadrina sp. cf. Q. condita de Verteuil & Norris, 1992

References
De Schepper, S., Head, M.J. & Louwye, S. 2004. New dinoflagellate cyst and incertae sedis taxa from the Pliocene of northern Belgium, southern North Sea Basin. Journal of Paleontology, 78: 625–644.
Fensome, R.A. & Williams, G.L. 2004. The Lentin and Williams index of fossil dinoflagellates: 2004 Edition.  American Association of Stratigraphic Palynologists, Contributions Series, 42: 1–909.
Head, M.J. 1993. Dinoflagellate cysts, sporomorphs, and other palynomorphs from the marine uppermost Pliocene St. Erth Beds, Cornwall, southwestern England. The Paleontological Society, Memoir 31: 1–62.
Head, M.J. 2003. Neogene occurrences of the marine acritarch genus Nannobarbophora Habib and Knapp, 1982 emend., and the new species N. gedlii. Journal of Paleontology, 77: 382–385.
Head, M.J., Lewis, J. & de Vernal, A. 2006. The cyst of the calcareous dinoflagellate Scrippsiella trifida: resolving the fossil record of its organic wall with that of Alexandrium tamarense. Journal of Paleontology, 80: 1–18.
Louwye, S., Head, M.J. & De Schepper, S. 2004. Dinoflagellate cyst stratigraphy and palaeoecology of the Pliocene in northern Belgium, southern North Sea Basin. Geological Magazine, 141: 353–378.
Strauss, C. & Lund, J. 1992. A Middle Miocene dinoflagellate cyst microflora from Papendorf near Hamburg, Germany. Mitteilungen, Geologisch-Paläontologische Institut, Universität Hamburg, 73: 159–189.
Strauss, C., Lund, J.J. & Lund-Christensen, J. 2001. Miocene dinoflagellate cyst biostratigraphy of the Nieder Ochtenhausen research borehole (NW Germany). Geologisches Jahrbuch A, 152: 395–447.