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Keupp, H. (1979). Die Blätterton-Fazies der nordwestdeutschen Unterkreide - Teil 1. Calciodinelloidea aus der Blätterton-Fazies des nordwestdeutschen Unter-Barremium. Berichte der Naturhistorischen Gesellschaft Hannover. 122: 7-69. gs :: V :: O ::

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Keupp, H. (1980). Pithonella paratabulata n.sp., eine unterkretazische Calcisphaere mit äusserer Paratabulation. Facies. 3: 239-249. gs :: :: :: doi:10.1007/BF02536457

Keupp, H. (1980). Pithonella patriciagreeleyae Bolli 1974, eine kalkige Dinoflagellaten-Zyste mit interner Paratabulation (Unter-Kreide, Speeton/SE-England). Pithonella patriciagreeleyae Bolli 1974, a calcareous dinoflagellate cyst with an inside paratabulation (Lower Cretaceous, Speeton, England). Neues Jahrbuch für Geologie und Paläontologie, Monatshefte. 9: 513-524. gs :: :: ::

Keupp, H. (1981). Die kalkigen Dinoflagellaten-Zysten der borealen Unter-Kreide (Unter-Hauterivium bis Unter-Albium). Facies. 5: 1-190. gs :: :: ::

Keupp, H. (1982). Die kalkigen Dinoflagellaten-Zysten des späten Apt und frühen Alb in Nordwestdeutschland. Geologisches Jahrbuch. A65: 307-363. gs :: :: ::

Keupp, H. (1984). Revision der kalkigen Dinoflagellaten-Zysten G. Deflandre, 1948. A restudy of the calcareous dinoflagellate cysts established by G. Deflandre, 1948. Paläontologische Zeitschrift. 58(1-2): 9-31. gs :: :: :: doi:10.1007/BF02990324

Keupp, H. (1987). Die kalkigen Dinoflagellatenzysten des Mittelalb bis Untercenoman von Escalles/Boulonnais (N- Frankreich). Facies. 17(37-38): -. gs :: :: :: doi:10.1007/BF02536748

Keupp, H. (1990). Eine neue pithonelloide Dinoflagellaten-Kalkzyste aus der Oberkreide von South Dakota/U.S.A. A new pithonellid calcareous dinoflagellate cyst from the Upper Cretaceous of South Dakota/U.S.A. Facies. 22: 47-58. gs :: :: :: doi:10.1007/BF02536944

Keupp, H. (1991). Kalkige Dinoflagellaten-Zysten aus dem Eibrunner Mergel (Cenoman-Turon-Grenzbereich) bei Bad Abbach/Süddeutschland. Berliner Geowissenschaftliche Abhandlungen. A134: 127-145. gs :: :: ::

Keupp, H. (1991). Fossil calcareous dinoflagellate cysts. In, Riding, R. (ed.) Calcareous Algae and Stromatolites. Springer, Berlin 267-286. gs :: :: ::

Keupp, H. (1992). Die Flora kalkiger Dinoflagellaten-Zysten im mittleren Apt (Gargas) der Kernbohrung Himstedt 3 bei Hoheneggelsen/Niedersachsen. Berliner Geowissenschaftliche Abhandlungen. E3: 121-169. gs :: :: ::

Keupp, H. (1992). Calcareous dinoflagellate cysts from the Lower Cretaceous of Hole 761C, Wombat Plateau, eastern Indian Ocean. Proceedings of the Ocean Drilling Program, Scientific Results. 122(497-509): -. gs :: V :: O :: doi:10.2973/odp.proc.sr.122.189.1992

Keupp, H. (1993). Kalkige Dinoflagellaten-Zysten in Hell-Dunkel-Rhythmen des Ober-Hauterive/Unter-Barreme NW-Deutschlands. Zitteliana. 20: 25-39. gs :: :: ::

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Keupp, H. (2001). Palaeoenvironmental interpretation of Late Albian calcareous dinoflagellate cysts from the Kirchrode I borehole (Lower Saxony Basin, NW Germany),. Palaeogeography Palaeoclimatology Palaeoecology. 174(1–3): 251-267. gs :: :: :: doi:10.1016/S0031-0182(01)00296-6

Keupp, H. & Ilg, A. (1989). Die kalkigen Dinoflagellaten im OberCallovium und Oxfordium der Normandie/ Frankreich. Berliner Geowissenschaftliche Abhandlungen, A 106:165–205. Berliner Geowissenschaftliche Abhandlungen. A106: 165-205. gs :: :: ::

Keupp, H. & Kienel, U. (1994). Wandstrukturen bei Pithonelloideae (Kalkige Dinoflagellaten-Zysten): Biomineralisation und systematische Konsequenzen. Abhandlungen der Geologischen Bundesanstalt. 50: 197-217. gs :: V :: O ::

Keupp, H. & Kohring, R. (1993). Kalkige Dinoflagellaten-Zysten aus dem Ober-Miozän von El Medhi (Algerien). Berliner Geowissenschaftliche Abhandlungen. E9: 25-43. gs :: :: ::

Keupp, H. & Kohring, R. (1999).  Kalkige Dinoflagellatenzysten aus dem Obermiozän (NN 11) W von Rethymnon (Kreta). Berliner Geowissenschaftliche Abhandlungen. E30: 33-53. gs :: :: ::

Keupp, H., Kohring, R. & Kowalski, F. -U. (1992). Neue Arten der Gattung Ruegenia Willems 1992 (kalkige Dinoflagellaten-Zysten) aus Kreide und Tertiär. Berliner Geowissenschaftliche Abhandlungen. E3: 191-209. gs :: :: ::

Keupp, H. & Kowalski, F. -U. (1992). Die kalkigen Dinoflagellaten- Zysten aus dem Alb von Folkestone/SE-England. Berliner Geowissenschaftliche Abhandlungen. E3: 211-251. gs :: :: ::

Keupp, H., Monnet, B. & Kohring, R. (1991). Morphotaxa bei kalkigen Dinoflagellaten-Zysten und ihre problematische Systematisierung. Problems with the systematics of calcareous dinoflagellate cysts based on morphologically defined taxa. Berliner Geowissenschaftliche Abhandlungen. A134: 161-185. gs :: :: ::

Keupp, H. & Mutterlose, J. (1984). Organismen-Verteilung in den D-Beds von Speeton (Unterkreide, England) unter besonderer Berücksichtigung der kalkigen Dinoflagellaten-Zysten. Facies. 10: 153-178. gs :: :: :: doi:10.1007/BF02536691

Keupp, H. & Mutterlose, J. (1994). Calcareous phytoplankton from the Barremian/Aptian boundary interval from NW Germany. Cretaceous Research. 15(6): 739-763. gs :: :: :: doi:10.1006/cres.1994.1040

Keupp, H. & Versteegh, G. J. M. (1989). Ein neues systematisches Konzept fuer kalkige Dinoflagellaten-Zysten der Subfamilie Orthopithonelloideae Keupp 1987. Berliner Geowissenschaftliche Abhandlungen. A106(207-219): -. gs :: :: ::

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