Publications of our Scientific Staff members

Esper, O., Höll, C., Karwath, B., Schneider, R., Vink, A., Weise-Ihlo, I., Zonneveld, K.A.F. and Willems, H. (submitted). Palaeoceanographic reconstruction of the last two glacial terminations along a transect from the south-eastern towards the western tropical South Atlantic Ocean based on calcareous dinoflagellates. Geologische Rundschau.
 

KAI-UWE GRÄFE

Gräfe, K.-U. & Wiedmann, J. (1993): Sequence stratigraphy in the Upper Cretaceous of the
Basco- Cantabrian Basin (Northern Spain). - Geol. Rundschau, 82: 327-361.

Gischler, E.; Gräfe, K.-U. & Wiedmann, J. (1994): The Upper Cretaceous Lacazina Limestone
in the Basco-Cantabrian and Iberian Basins of Northern Spain: Cold-water Grain Associations
in Warm-water Environments. - Facies, 30: 209-246.

Gräfe, K.-U. (1994): Sequence Stratigraphy in the Cretaceous and Paleogene (Aptian to
Eocene) of the Basco-Cantabrian Basin (N. Spain). - Tübinger geowiss. Arb., (A) 18: 418 p.

Willems, H.; Wan, X.; Yin, J.; Dongdui Langjie; Liu, G.; Dürr, S. & Gräfe, K.-U. (1995): The
Mesozoic development of the N-Indian passive margin and of the Xigaze Forearc Basin in
southern Tibet, China. - Excursion Guide to IGCP 362 Working Group Meeting "Integrated
Stratigraphyî, Ber. FB Geowiss. Bremen, 64: 1-113.

Gräfe, K.-U. (1996): Sedimentary cycles in the Upper Cretaceous of the Basco-Cantabrian
Basin (N. Spain) - an application of sequence stratigraphy. - Mitt. Geol.-Paläont. Inst. Univ.
Hamburg, 77: 243-270.

Lamolda, M.A.; Hancock, J.M.; Burnett, J.A.; Collom, C.J.; Christensen, W.K.; Dhondt, A.V.;
Gardin, S.; Gräfe, K.-U. et al. (1996): The Santonian stage. In: Rawson, P.F.; Dhondt, A.V.;
Hancock, J.M. & Kennedy, W.J. (eds.), Proc. "Second International Symposium on Cretaceous
Stage boundariesî, Bull. Inst. R. Sci. Nat. Belgique, (Sci. Terre) 66 (Suppl.): 95-102.

Willems, H.; Zhang, B.; Zhou, Z. & Gräfe, K.-U. (1996): Stratigraphy of the Upper Cretaceous
and Lower Tertiary strata in the Tethyan Himalayas of Tibet (Tingri Area, China). - Geol.
Rundschau, 85: 723-754.

Gräfe, K.-U. & Wiedmann, J. (1998): Sequence Stratigraphy on a carbonate ramp - The Late
Cretaceous of the Basco-Cantabrian Basin (N. Spain). In: Hardenbol, J. et al. (eds.) Mesozoic and Cenozoic Sequence stratigraphy of W-European basins, Soc. Econ. Paleont. Mineral., spec. publ., 60: 333-341.

Gräfe, K.-U. (1999): Sedimentary cycles, burial history and foraminiferal indicators for
systems tracts and sequence boundaries in the Cretaceous of the Basco-Cantabrian Basin
(Northern Spain). - N. Jb. Geol.-Paläont. Abh., in press.

Gräfe, K.-U. (submitted): Foraminiferal evidence for sequence stratigraphy and paleoceanography in the Cenomanian of the Boulonnais (Paris Basin, N-France). - Palaeo3.
 

TANIA HILDEBRAND-HABEL

Hildebrand-Habel, T. & Willems, H. (1996): Proposed research on Mesozoic and Cenozoic calcareous dinoflagellate cysts of the South Atlantic Ocean. - Terra Nostra: First EuroColloquium of the Ocean Drilling Program, 96/4: 49-50.

Hildebrand-Habel, T. & Willems, H. (1997): Calcareous dinoflagellate cysts from the Middle Coniacian to Upper Santonian chalk facies of Lägerdorf. - Cour. Forsch.-Inst. Senckenberg, 201: 177-199.

Hildebrand-Habel, T. & Willems, H. (1998): Kalkige Dinoflagellaten im Südatlantik: Regionale Unterschiede in ihrer Entwicklung seit der höheren Oberkreide und potentielle Steuerungsfaktoren - Terra Nostra, 98/3: V131-V132.

Hildebrand-Habel, T. & Willems, H. (1998): Variations in South Atlantic calcareous dinoflagellate associations since the Late Cretaceous. - NTNU Vitensk. mus. Rapp. bot. Ser. 1998-1: 65.

Hildebrand-Habel, T. & Willems, H. (1998): The development of calcareous dinoflagellates in the South Atlantic since Late Cretaceous times. ñ Asociaión Paleontológica del Golfo San Jorge, Boletín, 2: 16.

Hildebrand-Habel, T. & Willems, H. (1998): The development of calcareous dinoflagellates in the South Atlantic since upper Upper Cretaceous Times. - Abstract, Terra Nostra, 98/3: V131-V132.

Mai, H., Hildebrand-Habel, T., von Salis Perch-Nielsen, K. & Willems, H. (1998): Paleocene coccospheres from DSDP Leg 39, Site 356, São Paulo Plateau, S Atlantic Ocean. ñ J. Nannoplankton Res., 20(1): 21-29.

Hildebrand-Habel, T., Willems, H. & Versteegh, G.J.M. (in press): Variations in calcareous dinoflagellate associations from the Maastrichtian to middle Eocene of the western South Atlantic Ocean (São Paulo Plateau, DSDP Leg 39, Site 356). ñ Review of Palaeobotany and Palynology.

Hildebrand-Habel, T. & Willems, H. (submitted): New calcareous dinoflagellates from the Paleogene of the South Atlantic Ocean (DSDP Site 357, Rio Grande Rise). ñ J. Micropalaeontol.

Hildebrand-Habel, T. & Willems, H. (submitted): Distribution of calcareous dinoflagellates from the Maastrichtian to early Miocene of DSDP Site 357 (Rio Grande Rise, western South Atlantic Ocean). ñ Geol. Rundsch.

Hildebrand-Habel, T. & Mai, H. (submitted): Distal and proximal views of the same coccospheres: applying a new cracking technique. ñ J. Nannoplankton Res.
 

CHRISTINE HÖLL

Höll, C., Zonneveld, K.A.F. and Willems, H. (1998): On the ecology of calcareous dinoflagellates:
The Quaternary eastern Equatorial Atlantic.  Marine Micropaleontology, 33: 1-25.

Höll, C. (1998): Kalkige und organisch-wandige Dinoflagellaten-Zysten in Spätquartären Sedimenten des tropischen Atlantiks und ihre palökologische Auswertbarkeit. Berichte, Fachbereich Geowissenschaften, Universität Bremen, 127: 121pp.

Höll, C., Janofske, D.,  Karwath, B., Vink, A., Zonneveld, K.A.F., Willems, H. (1998): Kalkige Dinoflagellaten-Zysten und Temperatur: Sphaerodinella albatrosiana in Laborversuchen und Feldbeobachtungen. Terra Nostra, 98/3, P75.

Höll, C., Karwath, B., Rühlemann, C., Zonneveld, K.A.F., Willems, H., (1999): Palaeoenvironmental information gained from calcareous dinoflagellates: The Late Quaternary eastern and western tropical Atlantic Ocean in comparison. Palaeogeography, Palaeoclimatology, Palaeoecology, 146: 147-164.

Höll, C. and Kemle-von Mücke, S. (submitted): Reconstructing Late Quaternary upwelling variations in the Equatorial Atlantic Ocean using dinoflagellate cysts and planktonic foraminifera. Quaternary Research.

Höll, C., Zonneveld, K.A.F., Willems, H. (submitted): Palaeoceanographic reconstruction of the Late Quaternary tropical Atlantic Ocean based on organic-walled dinoflagellate cysts. Palaeogeography, Palaeoclimatology, Palaeoecology.

Esper, O., Höll, C., Karwath; B., Kuhlmann, H., Schneider; R.R., Vink, A., Weise-Ihlo, I., Zonneveld, K.A.F. and Willems, H. (submitted): Palaeoceanographic reconstruction of the last two terminations along a transect from the south-eastern towards the western South Atlantic Ocean based on calcareous dinoflagellates. Geol. Rundschau.

Zonneveld, K.A.F., Höll, C., Karwath, B., Janofske, D., Kerntopf, B. and Willems, H. (in press).
Calcareous dinoflagellate resting cysts as palaeo-environmental tools. In: Fischer, G. and
Wefer, G. (Editors): Proxies in Palaeoceanography.
 

DOROTHEA JANOFSKE

Janofske, D., Keupp, H. & Willems, H. (1995): Calcareous dinoflagellate cysts: ultrastructure types and systematic application.- J. Nannoplankton Res., 17/2: 64-65.

Janofske, D. (1996): Ultrastructure types in Recent Ñcalcispheresì.- Bull. Inst. océanogr. Monaco, N.S. 14/4: 295-303.

Montresor, M., Janofske, D. & Willems, H. (1997): The cyst-theca relationship in Calciodinellum operosum Deflandre emend. (Peridiniales, Dinophyceae) and a new approach for the study of calcareous cysts.- J. Phycol., 33: 122-131.

Janofske, Dorothea (1998): Calcareous dinoflagellate cysts: Ultrastructure, biomineralization and systematics.- NTNU Vitensk. Mus. Rapp. Bot. Ser., 1998-1: 77.

Karwath, Britta, Janofske, Dorothea and Willems, Helmut (1998): Environmental affinities of Thoracosphaera heimii in laboratory and field studies.- NTNU Vitensk. Mus. Rapp. Bot. Ser. 1998-1: 79.

Janofske, Dorothea (1998): Kalkige Dinoflagellatenzysten: Ultrastruktur und Erhaltung.- Terra Nostra, 98/3: V149-V150.

Karwath, Britta, Janofske, Dorothea, Vink, Annemiek, Zonneveld, Karin, Willems, Helmut (1998): Räumliche Verbreitung von Thoracosphaera heimii in Oberflächenwässern und -sedimenten des tropischen und subtropischen Atlantiks - Vergleiche mit Ergebnissen aus Kulturversuchen.- Terra Nostra, 98/3: V162.

Höll, Christine, Janofske, Dorothea,  Karwath, Britta, Vink, Annemiek, Zonneveld, Karin A.F., Willems, Helmut (1998): Kalkige Dinoflagellaten-Zysten und Temperatur: Sphaerodinella albatrosiana in Laborversuchen und Feldbeobachtungen.- Terra Nostra, 98/3, P75.

Zonneveld, K., Höll, C., Janofske, D., Karwath, B., Kerntopf, B., Rühlemann, C. & Willems, H. (in press): Calcareous dinoflagellate cysts as paleo-environmental tools.- In: Fischer, G. & Wefer, G. (eds.): Proxies in Palaeoceanography

Janofske, D. & Willems, H. (subm.): Scrippsiella trochoidea and Scrippsiella regalis nov. comb. (Peridiniales, Dinophyceae) - a comparison.- J. Phycol.

Karwath, B., Janofske, D., Tietjen, F. & Willems, H. (subm.): Temperature effects on growth and cell size in the marine calcareous dinoflagellate Thoracosphaera heimii.- Mar. Micropaleont.

Karwath, B., Janofske, D. & Willems, H. (subm.): Spatial distribution of the calcareous dinoflagellate Thoracosphaera heimii in the upper water column of the tropic and equatorial Atlantic.- Geol. Rdsch.

Contribution to:
Bown, P. R. (1998): Triassic.- In: Bown, P. R. (ed.): Calcareous Nannofossil Biostratigraphy.- 29-33, London (Chapman and Hall).
 

BRITTA KARWATH

Esper, O., Höll, C., Karwath, B., Schneider, R., Vink, A., Weise-Ihlo, I., Zonneveld, K.A.F. and Willems, H. (submitted). Palaeoceanographic reconstruction of the last two glacial terminations along a transect from the south-eastern towards the western tropical South Atlantic Ocean based on calcareous dinoflagellates. Geologische Rundschau.

Karwath, B., Janofske, D., Tietjen, F. & Willems, H. (subm.): Temperature effects on growth and cell size in the marine calcareous dinoflagellate Thoracosphaera heimii.- Mar. Micropaleont.

Karwath, B., Janofske, D. & Willems, H. (subm.): Spatial distribution of the calcareous dinoflagellate Thoracosphaera heimii in the upper water column of the tropic and equatorial Atlantic.- Geol. Rdsch.

Karwath, Britta, Janofske, Dorothea, Vink, Annemiek, Zonneveld, Karin, Willems, Helmut (1998): Räumliche Verbreitung von Thoracosphaera heimii in Oberflächenwässern und -sedimenten des tropischen und subtropischen Atlantiks - Vergleiche mit Ergebnissen aus Kulturversuchen.- Terra Nostra, 98/3: V162.

Karwath, Britta, Janofske, Dorothea and Willems, Helmut (1998): Environmental affinities of Thoracosphaera heimii in laboratory and field studies.- NTNU Vitensk. Mus. Rapp. Bot. Ser. 1998-1: 79.

Höll, Christine, Janofske, Dorothea,  Karwath, Britta, Vink, Annemiek, Zonneveld, Karin A.F., Willems, Helmut (1998): Kalkige Dinoflagellaten-Zysten und Temperatur: Sphaerodinella albatrosiana in Laborversuchen und Feldbeobachtungen.- Terra Nostra, 98/3, P75.

Höll, C., Karwath, B., Rühlemann, C., Zonneveld, K.A.F., Willems, H., (1999): Palaeoenvironmental information gained from calcareous dinoflagellates: The Late Quaternary eastern and western tropical Atlantic Ocean in comparison. Palaeogeography, Palaeoclimatology, Palaeoecology, 146: 147-164.

Zonneveld, K., Höll, C., Janofske, D., Karwath, B., Kerntopf, B., Rühlemann, C. & Willems, H. (in press): Calcareous dinoflagellate cysts as paleo-environmental tools.- In: Fischer, G. & Wefer, G. (eds.): Proxies in Palaeoceanography
 

HARTMUT MAI

Mai, H. (1977): Paläontologische und stratigraphische Untersuchung kalkigen Nannoplanktons (Coccolithen) im Campan der Aachener Kreide. Diss. RWTH Aachen.

Streel, Mai, H., Fairon-Demaret, M., Schumacker-Lambry, J., Vanguestaine, M. (1977): Macro- et microfossiles vegeteaux dans le contexte litho- et biostratigraphique du Senonien-Paleocene de la rive gauche de la Meuse au nord de Liege. Livret-guide exc. symposium îApport des techniques recentes en Palynologieî INIEX Univ. Liege, 87 p., 32 fig., 12 pl., 2 depl. + 4 p. et 11 fig.

Mai, H. (1977): REM-, TEM- und LM- Untersuchungen an ein und denselben Coccolithen. Beitr. elektronenmikr. Direktabb. Oberfl. 10, Münster.

Mai, H. (1982): Nuevas observacionen sobre El Terciario De La Cuesta Santo Domingo, Prov. de Valdivia, Chile, III Congreso Geologico Chileno, Actas Tomo II A, 147-158, Concepcion.

Mai, H. (1983): Korrelation cretazischer Coccolithen im Lichtmikroskop, Rasterelektronenmikroskop und Transmissionselektronenmikroskop, Palaeontographica, Abt. B. Bd. 189, 139-161, Stuttgart.

Mai, H. (1984): Neogenes kalkiges Nannoplankton der Caleta Herradura, Mejillones Halbinsel, Region von Antofagasta, Nord-Chile, N. Jb. Geol. Paläont. Mh., 1984, H 8, 485-490, Stuttgart.

Mai, H. (1984): Nannoplancton calcareo de la Formacion La Portada, Caleta Herradura, Peninsula de Mejillones, Region de Antofagasta, Chile, Revista Geologica de Chile No. 22, pp. 17-24, Santiago de Chile.

Mai, H. (1985): Microanalisis con rayos x, energia dispersiva de algunas granados en depositos costales, insula de Chiloe, Tucanao, XI. Region, Chile. Revista Geologica de Chile No. 22, pp.131-137, Santiago de Chile.

Mai, H. (1986): Foraminiferos bentonicos y Nannoplancton calcareo del Mioceno de la Provincia de Valdivia, Revista Medio Ambiente, 8(1), 9-16, Universidad Austral de Chile, Valdivia.

Mai, H. (1988): A new method for SEM Analysis of both the proximal and distal sides of the same coccolith, Journal of Paleontology, 62(1), 1988, pp. 151-152.

Mai, H. (1989): A new method for SEM Analysis of both the prox. and distal sides of the same skeletal particles of nannoplanktonic algae. Beitr. Elektronenmikr. Direktabb. Oberfl. 22 (1989), S. 59-61.

Mai, H., Diener, M. Mestres, P., Rummel, W. (1990): Rasterelektronenmikroskopie der Basalmembran des Colons der Ratte. Beitr. Elektronenmikr. Direktabb. Oberfl. 23 (1990), S. 433-436.

Mai, H., Romein, T. Willems, H. (1994): Coccospheres of a rare nannofossil species: Biantholithus sparsus Bramelette and Martini, 1964. Marine Micropaleontology 24 (1994) 1-2.

Romein, T., Willems, H. & Mai, H. (1996): Calcareous nannoplankton of the Geulhemmerberg K/T boundary section, Maastrichtian type area, the Netherlands. Geologie en Mijnbouw 75: 231-238, 1996.

Mai, H. (1995): Uncoated, low-voltage SEM analysis of both proximal and distal views of the same coccoliths. Journal of Nannoplankton Research, 17, 1, 1995.

Mai, H., Willems, H. and von Salis Perch-Nielsen, K. (1997): Braarudospharea pentagonica n. sp., a new Braarudosphaera from the lowermost Tertiary of Geulhemmerberg ( Geulhem, The Netherlands ). Micropaleontology, vol. 43, no. 2, pp. 202-205, 1997.

Mai, H., von Salis Perch-Nielsen, K., Willems, H., Romein, T. (1997): Fossil coccospheres from the K/T boundary section from Geulhemmerberg, The Netherlands.  Micropaleontology, vol. 43, no. 3, pp. 281-302.

Mai, H., Hildebrand-Habel, T., Willems, H. (1998): Paleocene coccosperes from DSPD Leg 39, Site 356, Sao Paulo Plateau, S atlantic ocean. Journal of Nannoplankton research, 20, 1, pp. 21-29.

Luger, P., El-Beshtawy, M., Mai, H. (1998): Maastrichtian planktonic foraminiferal biozonation and K/T boundary in Central Egypt. Revista Espanola de Micropaleontologia, 30 (2).

Mai, H. (1998): Paleocene coccoliths and coccospheres in deposits of the Maastrichtian stage at the îtype localityî and type area in SE Limburg, The Netherlands. Marine Micropaleontology 36, 1-12.

Mulder, E. W.A., Mai, H. (1999): The earliest record of a tylosaurine mosasaur (Reptilia; Lacertilia) from the Late Cretaceous of Belgium: Hermann von Meyer (1801-1869) revisited. Geologie en Mijnbouw ( in press).

Hildebrand-Habel, T., Mai, H. (1999): Distal and proximal views of the same coccospheres: applying a new cracking technique, (submitted to JNR)
 

MICHAEL STRENG

Geyer, G. & Streng, M. (1998): Middle Cambrian pelecypods from the Anti-Atlas, Morocco. Revista Española de Paleontología, n° extr. Homenaje al Prof. Gonzalo Vidal: 83-96.

Streng, M. (in press). Early Middle Cambrian representatives of the superfamily Acrotretoidea (Brachiopoda) from Morocco. Zeitschrift der deutschen geologischen Gesellschaft.
 

ANNEMIEK VINK

Vink, A., Schouten, S., Sephton, S. and Sinninghe Damsté, J.S. (1998): A newly discovered norisoprenoid,
2,6,15,19-tetramethylicosane, in Cretaceous black shales. Geochimica et Cosmochimica Acta, 62 (6): 965-970.

Vink, A., Zonneveld, K.A.F. and Willems, H. (submitted): Recent distributions of calcareous dinoflagellates in the western Equatorial Atlantic Ocean, and their potential use in palaeoecology. Marine Micropaleontology.

Esper, O., Höll, C., Karwath, B., Schneider, R., Vink, A., Weise-Ihlo, I., Zonneveld, K.A.F. and Willems, H. (submitted). Palaeoceanographic reconstruction of the last two glacial terminations along a transect from the south-eastern towards the western tropical South Atlantic Ocean based on calcareous dinoflagellates. Geologische Rundschau.
 

JENS WENDLER

Wendler, J., Gräfe, K.-U., Mai, H., Willems, H. 1998, Application of calcareous dinoflagellate cysts in high resolution analysis of Cenomanian Chalk-Marl Milankovitch cycles. - NTNU Vitensk.mus. Rapp. Bot. Ser. 1998-1, 144-145, Trondheim.

Wendler, J.; Gräfe, K.U.; Mai, H.; Willems, H. 1998, Anwendung kalkiger Dinoflagellatenzysten bei der Analyse von Milankovitch-Zyklen im Cenoman des London ñ Pariser Beckens. Programm und Zusammenfassungen der Tagungsbeiträge ñ Abstract, Terra Nostra, 98/3: P202.
 

HELMUT WILLEMS

WILLEMS, H. (1982): Stratigraphie und Tektonik im Bereich der Antiklinale von Boixols-Coll de Nargó - ein Beitrag zur Geologie der Decke von Montsech (zentrale Südpyrenäen, Nordost-Spanien). -- Frankfurter geowiss. Arb., Serie A, Bd. 2, 336 S., 2 Beil., Frankfurt.

SCHROEDER, R. & H. WILLEMS (1983): Über einen submarinen Durchbruch des Diapirs von Villasana de Mena (Prov. Burgos, N-Spanien) an der Wende Unter-/Oberkreide. -- N. Jb. Geol. Paläont. Abh. 166 (1), 65-85, Stuttgart.

SCHROEDER, R. & H. WILLEMS (1983): Chaetetiden, Sphinctozoen und Stromatoporoiden aus dem Caniego-Kalk (Ober-Alb) des Valle de Mena (Prov. Burgos, N-Spanien). -- Sencken-bergiana lethaea 64 (2/4), 337-362, Frankfurt.

WILLEMS, H. (1984): Die Jura-/Kreide-Grenze im Ostteil der Decke von Montsec (Südpyrenäen, Prov.Lérida). -- Z.dt.geol.Ges. 135, 193-209, Hannover.

WILLEMS, H. (1985): Marine Uppermost Creataceous and Garumanian Facies in the Region of Boixols-Coll de Nargo Anticline (Prov. Lerida, Spani). -- Estudios geol. 41, 17-24.

WILLEMS, H. (1985): Tetramerosphaera lacrimula, eine intern gefächerte Calcisphaere aus der Ober-Kreide. -- Senckenbergiana lethaea, 66 (3/5), 177-201, Frankfurt am Main.

WILLEMS, H. (1986): Auf dem Dach der Welt: Spuren des ehemaligen Tethys-Meeres. Geowissenschaftliche Untersuchungen im Tibet-Himalaya. -- Forschung Frankfurt, 1986 (4), 20-26, Frankfurt am Main.

WILLEMS, H. (1987): Faziesentwicklung der Ober-Kreide und des Alt-Tertiär im Tethys-Himalaya von Süd-Tibet (Xizang Autonomous Region, VR China). -- 367 S. [Habilitationsschrift, Frankfurt am Main].

WILLEMS, H. & M. WUTTKE (1987): Lithogenese lakustriner Dolomite und mikrobiell induzierte ÑWeichteil-Erhaltungì bei Tetrapoden des Unter-Rotliegenden (Perm, Saar-Nahe-Becken, SW-Deutschland). -- N.Jb.Geol.Paläont. Abh. 174 (2), 213-238, Stuttgart.

WILLEMS, H. (1988): Kalkige Dinoflagellaten-Zysten aus der oberkretazischen Schreibkreide-Fazies N-Deutschlands (Coniac bis Maastricht). -- Senckenbergiana lethaea 68 (5/6), Frankfurt am Main.

WILLEMS, H. (1990): Tetratropis, eine neue Kalkdinoflagellate (Pithonelloideae) aus der Ober-Kreide von Lägerdorf (N-Deutschland). -- Senckenbergiana lethaea, 70 (1/3), 239-257, Frankfurt am Main.

WILLEMS, H., G. WEFER, M. RINSKI, B. DONNER, H.-J. BELLMANN, L. EISSMANN, A. MÜLLER, B. W. FLEMMING, H.-C. HÖFLE, J. MERKT, H. STREIF, G. HERTWECK, H. KUNTZE, J. SCHWAAR, W. SCHÄFER, M.-G. SCHULZ, F. GRUBE & B. MENKE (1990): Beiträge zur Geologie und Paläontologie Norddeutschlands: Exkursionsführer zur GEOTAGUNG 1990. -- Berichte, Fachbereich Geowissenschaften, Universität Bremen 10, 202 S., Bremen.

FUCHS, G. & H. WILLEMS (1990): The Final Stages of Sedimentation in the Tethyan Zone of Zanskar and their Geodynamic Significance (Ladakh - Himalaya). -- Jb. Geol. B.-A. 133 (2), 259-273, Wien.

WILLEMS, H. (1992): Kalk-Dinoflagellaten aus dem Unter-Maastricht der Insel Rügen. -- Z.geol.Wiss., 20 (1/2): 155-178, Berlin.

WILLEMS, H. (1993): Sedimentary History of the Tethys Himalaya Continental Shelf in South Tibet (Gamba, Tingri) during Upper Cretaceous and Lower Tertiary (Xizang Autonomous Region, PR China). In: WILLEMS, H. (Ed.): Geoscientific investigations in the Tethyan Himalayas. -- Berichte, Fachbereich Geowissenschaften, Universität Bremen, 38, 49-183, Bremen.

WILLEMS, H. & ZHANG BINGGAO (1993a): Cretaceous and Lower Tertiary Sediments of the Tibetan Tethys Himalaya in the Area of Gamba (South Tibet, PR China). In: WILLEMS, H. (Ed.): Geoscientific investigations in the Tethyan Himalayas. -- Berichte, Fachbereich Geowissen-schaften, Universität Bremen, 38, 3-27, Bremen.

WILLEMS, H. & ZHANG BINGGAO (1993b): Cretaceous and Lower Tertiary Sediments of the Tibetan Tethys Himalaya in the Area of Tingri (South Tibet, PR China). In: WILLEMS, H. (Ed.): Geoscientific investigations in the Tethyan Himalayas. -- Berichte, Fachbereich Geowissen-schaften, Universität Bremen, 38, 29-47, Bremen.

WILLEMS, H. (1994): New calcareous dinoflagellates from the Upper Cretaceous white chalk of northern Germany. - Review of Palaeobotany and Palynology 84 (1994), 57-27, Amsterdam.

MAI, H., T. ROMEIN & H. WILLEMS (1994): Coccospheres of a rare nannofossil species: Biantholithus sparsus Bramlette and Martini, 1964. -- Mar.Micropal. 24, 1-2, 2 Abb.; Amsterdam.

ZHANG BING-GAO, ZHOU ZHI-CHENG & H. WILLEMS (1994): Discovery of Late Cretaceous Calpionellids and Related Microfossils from Tüna and Gamba Regions, Southern Xizang (Tibet). -- Acta Micropalaeontologica Sinica 11 (4), 413-428, China.

WILLEMS, H. (1995): Praecalcigonellum duopylum n.sp., a new calcareous dinoflagellate cyst from the lowermost Danian (Biantholithus sparsus Zone) of the Geulhemmerberg Section (South Limburg, The Netherlands). -- N.Jb.Geol.Paläont.Abh. 198 (1/2), 141-152, Stuttgart.

WILLEMS, H. & U. KIENEL (1995): Development of Calcareous Dinocysts (Calciodenellaceae, Deflandre, 1947) at the Cretaceous(Tertiary Boundary). --- Terra Nostra, 1/95, 49-50, Bremen.

WILLEMS, H., WAN XIAOQIAO, YIN JIARUN, DONGDUI LANGJIE, LIU GUANGHUA, S. DÜRR & K.-U. GRÄFE (1995): The Mesozoic development of the N-Indian passive margin and of the Xigaze Forearc Basin in southern Tibet, China. Excursion Guide to IGCP 362 Working-Group Meeting ÑIntegrated Stratigraphyì. -- In: Berichte, Fachbereich Geowissen-schaften, Universität Bremen, 64, 113 S., Bremen.

WILLEMS, H. (1996): Calcareous Dinocysts from the Geulhemmerberg K/T boundary section (Limburg, SE Netherlands). - Geologie en Mijnbow 75, 215-231, Amsterdam.

BACHMANN, M. & H. WILLEMS (1996): High-frequency cycles in the upper Aptian carbonates of the Organyà basin, NE Spain. -- Geol.Rundsch. 85, 586-605.

BACHMANN, M., K. BANDEL, J. KUSS & H. WILLEMS (1996): Sedimentary Processes and Intertethyal Comparisons of Two Early/Late Cretaceous Carbonate Ramp Systems (NE-Africa and Spain). -- In: REITNER, J., NEUWEILER, F. & GUNKEL, F. (eds.): Global and Regional Controls on Biogenic Sedimentation. II. Cretaceous Sedimentation. Research Reports. - Göttinger Arb. Geol. Paläont., Sb3, 151-163, Göttingen.

HILDEBRAND-HABEL, T. & H. WILLEMS (1996): Proposed Research on Mesozoic and Cenozoic Calcareous Dinoflagellate Cysts of the South Atlantic Ocean. -- Terra Nostra, 96/4, 49-50, Bremen.

ROMEIN, A.J.T., WILLEMS, H. & H. MAI (1996): Calcareous nannoplankton of the Geulhemmer-berg K/T boundary section, Maastrichtian type area, the Netherlands. -- Geologie en Mijnbow 75, 231-238.

WILLEMS, H., ZHOU, Z., ZHANG, B. & K.-U. GRÄFE (1996): Stratigraphy of the Upper Cretaceous and Lower Tertiary strata in the Tethyan Himalayas of Tibet (Tingri area, China). --Geol. Rundsch (1996) 85: 723-754.

MONTRESOR, M., JANOFSKE, D. & H. WILLEMS (1997): The Cyst-Theca Relationship in Calciodinellum Operosum emend. (Peridiniales, Dinophyceae) and a New Approach for the Study of Calcareous Cysts. ñ J. Phycol. 33: 122-131.

MAI, H., WILLEMS, H. & K. VON SALIS PERCH-NIELSEN (1997): Braarudosphaera pentagonica n.sp., a new Braarudosphaera from the lowermost Tertiary of Geulhemmerberg (Geulhem, The Netherlands). ñ micropaleontology 43/2: 202-205.

HILDEBRAND-HABEL, T. & H. WILLEMS (1997): Calcareous dinoflagellate cysts from the Middle Coniacian to Upper Santonian chalk facies of Lägerdorf (N Germany). ñ Cour. Forsch.-Inst. Senckenberg 201: 177-199.

ZHOU Zhicheng, WILLEMS, H. & ZHANG Binggao (1996): Marine CretaceousñPaleogene biofacies and ichnofacies in southern Tibet, China, and their sedimentary significance. ñ Marine Micropaleontology 32: 3-29.

MAI, H., V. SALIS PERCH-NIELSEN, K., WILLEMS, H. & T. ROMEIN (1997): Fossil coccopsheres from the K/T boundary section from Geulhemmerberg, The Netherlands. ñ micropaleontology 43/3: 281-302.

HÖLL, CH., ZONNEVELD, K.A.F. & H. WILLEMS (1998): On the ecology of calcareous dinoflagellates: The Quaternary Eastern Equatorial Atlantic. ñ Marine Micropaleontology 33: 1-25.

MAI, H., HILDEBRAND-HABEL, T., VON SALIS PERCH-NIELSEN, K. & WILLEMS, H. (1998): Paleocene coccospheres from DSDP Leg 39, Site 356, Sao Paulo Plateau, S Atlantic Ocean. -- Journ. Nannopl. Res., 20 (1): 21 - 29; London.

ZHOU Zhi-Cheng, WILLEMS, H. & ZHANG Bing-gao (1998): Cretaceous ñ Paleogene biofacies and ichnofacies in Southern Tibet. ñ Acta Micropalaeontologica Sinica, 15 (3): 307 ñ 317; Nanjing.

HILDEBRAND-HABEL, T., WILLEMS, H. & VERSTEEGH, G. (in Druck): Variations in calcareous dinoflagellate associations from the Maastrichtian to Middle Eocene of the Western South Atlantic (Sao Paulo Plateau, DSDP Leg 39, Site 356). -- Review Paleobot. Palynol.; Amsterdam.

HÖLL, C., KARWATH, B., RÜHLEMANN, C. ZONNEVELD, K.A.F. & WILLEMS, H. (in Druck): Palaeoenvironmental information gained from calcareous dinoflagellates: The Late Quaternary eastern and western tropical Atlantic Ocean in comparison. ñ Palaeogeography, Palaeoclimatology, Palaeoecology.

HÖLL, C., ZONNEVELD, K.A.F. & WILLEMS, H. (in Druck): Palaeoceanographic reconstruction of the Late Quaternary tropical Atlantic Ocean based on organic-walled dinoflagellate cysts. ñ Paleoceanography.

KARWATH, B., JANOFSKE, D., TIETJEN, F. & WILLEMS, H. (in Druck): Temperature effects on growth and cell size in the marine calcareous dinoflagellate Thoracosphaera heimii. -- Marine Micropalaeontology,; Amsterdam.

ZONNEVELD, K.A.F., HÖLL, C., KARWATH, B., JANOFSKE, D., KERNTOPF, B. & WILLEMS, H. (in Druck): Calcareous dinoflagellate cysts as palaeo-environmental tools. ñ In: WEFER, G. & FISCHER, G. (eds.): Proxies in the Late Quaternary South Atlantic; Springer.

ESPER, O., HÖLL, C., KARWATH, B., KUHLMANN, H., SCHNEIDER, R., VINK, A., WEISE-IHLO, I., ZONNEVELD, K.A.F. & WILLEMS, H. (eingereicht): Palaeoceanographic reconstruction of the last two glacial terminations along a transect from the south-eastern towards the western-tropical South Atlantic Ocean based on calcareous dinoflagellates. ñ Geol. Rundsch. ; Berlin, Heidelberg.

HILDEBRAND-HABEL, T. & WILLEMS, H. (eingereicht): New calcareous dinoflagellates from the Paleogene of the South Atlantic Ocean (DSDP Site 357, Rio Grande Rise). ñ Journ. of Micropalaeontology, ; London.

HILDEBRAND-HABEL, T. & WILLEMS, H. (eingereicht): New calcdinocysts from the Middle Coniacian to Late Santonian of Lägerdorf (N Germany). -- Paläontol.Z.; Stuttgart.

HILDEBRAND-HABEL, T. & WILLEMS, H. (eingereicht): Distribution of calcareous dinoflagellates from the Maastrichtian to early Miocene of DSDP Site 357 (Rio Grande Rise, western South Atlantic Ocean). ñ Geol. Rundsch. ; Berlin, Heidelberg.

JANOFSKE, D. & WILLEMS, H. (eingereicht): Scrippsiella trochoidea and Scrippsiella regalis nov. Comb. (Peridiniales, Dinophyceae) ñ a comparison. -- Journal of Phycology; London.

KARWATH, B., JANOFSKE, D. & WILLEMS, H. (eingereicht): Spatial distribution of the marine dinoflagellate Thoracosphaera heimii in the upper water column of the tropic and equatorial Atlantic. ñ Geol. Rundsch. ; Berlin, Heidelberg.
 

KARIN ZONNEVELD

Dale, B., Montresor, M., Zingone, A. and Zonnveld, K. (1993). The cyst-motile stage relationships of the dinoflagellates Diplopelta symmetrica and Diplopsalopsis latipelta . European Journal of Phycology, 28: 129-137.

Zonneveld, K.A.F. and Dale, B. (1994). The cyst-motile relationships of Protoperidnium monospinum (Paulsen) Zonneveld et Dale comb. nov. and Gonyaulax verior (Dinophyta, Dinophyceae) from the Oslo Fjord (Norway). Phycologia, 33 (5): 359-368.

Zonneveld, C.A.F. (1994). Dinoflagellate cysts in the Arabian Sea. In: Van der Linden, W.J.M. and Van der Weijden, C.H. (Editors). Geological study of the Arabian Sea, Vol 3. National Museum of Natural History, Leiden: 85-86.

Versteegh, G.J.M. and Zonneveld, K.A.F. (1994). Determination of (palaeo-) ecological preferences of dinoflagellates by applying Detrended and Canonical Correspondance analysis to Late Pliocene dinoflagellate cyst assemblages of the south Italian Singa section. Review of Palaeobotany and Palynology, 84 (1/2): 181-199.

Zonneveld, C.A.F. and Versteegh, G.J.M. (Editors; 1994). Special issue. Dino-5; 5th international conference on modern and fossil dinoflagellates. Review of Palaeobotany and Palynology, 84 (1/2): 199pp.

Zonneveld, K.A.F. (1995). Palaeoclimatic and paleo-ecologic changes during the last deglaciation in the Eastern Mediterranean; implications for dinoflagellate ecology. Review of Palaeobotany and Palynology, 84; 221-253.

Zonneveld, K.A.F. (1996). Palaeoclimatic and palaeo-ecologic changes in the Eastern Mediterranean and Arabian Sea regions during the last deglaciation: a palynological approach to land-sea correlation. LPP contribution series, 3: 200pp.

Zonneveld, K.A.F. and Boessenkool, K.P. (1996) Palynology as a tool for land-sea correlation; an example from the eastern Mediterranean region. In: Andrews, J.T., Austin, W.E.N. andBergsten, H.E. (Editors). The Lateglacial palaeoceanography of the North Atlantic Margins. Geological Society Special Publication, 111: 351-357.

Zonneveld, K.A.F. (1996) The Younger Dryas event in the Adriatic Sea (Eastern Mediterranean); a palynological aproach to land-sea correlation. In. Troelstr, S.R., Van Hinte, J.E. and Ganssen,  G.M. The Younger Dryas; proceedings of a workshop at the Royal Netherlands Akademy of Arts and Sciences, on 13-15 april 1994. Koningklijke Nederlandse
Akademie van Wetenschappen, Verhandelingen, afdeling Natuurkunde, Eerste Reeks, 44: 131-138.

Versteegh, G.J.M., Brinkhuis, H., Visscher, H. and Zonneveld, K.A.F. (1996) The relation between productivity and temperature in the Pliocene North Atlantic at the onset of Northern Hemisphere glaciation: a palynological study. Global and Planetary Change, 11: 155-165.

Zonneveld, K.A.F. (1996) Palaeoclimatic reconstruction of the last deglaciation (18 ka. BP. - 8 ka. BP.) In the Adriatic Sea region: a land-sea correlation based on palynological evidence. Palaeogeography, Palaeoclimatology, Palaeoecology, 122: 89-106.

Peperzak, L., Verreussel, R., Zonneveld, K.A.F., Zevenboom, W. And Dijkema, R. (1996). The distribution of flagellate cysts on the Dutch continental shelf (North Sea) with emphasis in Alexandrium spp. And Gymnodinium catenatum. In. Yasumoto, T., Oshima, Y. and Fukuyo, Y. (editors) Harmful and toxic Algal Blooms, Intergovernemental Oceanographic Commission of UNESCO 1996: 169-172.

Zonneveld, K.A.F., Ganssen, G.M, Troelstra, S.R., Versteegh, G.J.M. and Visscher, H. (1997). Mechanisms forcing abrupt fluctuations of the Indian Ocean summer monsoon during the last deglaciation. Quaternary Science Reviews 16: 187-201.

Zonneveld, K.A.F., Versteegh, G.J.M. and De Lange, G. (1997). Preservation of organic walled dinoflagellate cysts in different oxygen regimes: a 10.000 yr natural experiment. Marine Micropaleontology, 29: 393-405.

Höll, C., Zonneveld, K.A.F., Willems, H. (1998). On the ecology of calcareous dinoflagellates: The Quaternary eastern Equatorial Atlantic. Marine Micropalaeontology, 33: 1-25.

Zonneveld, K.A.F.  (in press). Dinoflagellate cyst distribution in surface sediments from the Arabian Sea (northwestern Indian Ocean) in relation to temperature and salinity gradients in the upper water column. Deep Sea Research.

Zonneveld, K.A.F. (in press). New species of organic walled dinoflagellate cysts from modern sediments of the arabian Sea (Indian Ocean). Review of Palaeobotany and Palynology.

Zonneveld, K.A.F., Höll, C., Janofske, D., Karwath, B., Kerntopf, B., Rühlemann, C., Willems, H. (in press). Calcareous dinoflagellate resting cysts as palae-environmental tools. In: Fischer, G. and Wefer, G. (Editors).Proxies in Palaeoceanography.

Zonneveld, K.A.F., Brune, A. and Willems, H. (submitted). Spatial distribution of calcareous dinoflagellates in surface sediments of the South Atlantic Ocean in relation to environmental gradients in surface water layers. Deep-Sea Research.