Berriasian-valanginian (early cretaceous) seaways of the Russian platform basin and the problem of boreal/tethyan correlation

Geologica Carpathica

Volumn 50, Issue 1, 1999, Pages 5-20

  Baraboshkin, Evgenij J ^a  

^a MOSCOW STATE UNIVERSITY   (Russian Federation)

Author keywords

Ammonites; Boreal realm; Lower Cretaceous; Russian platform; Seaway; Tethyan realm; Zoogeography

Indexed keywords

AMMONITE; BASIN EVOLUTION; CRETACEOUS; ZOOGEOGRAPHY;

RUSSIAN FEDERATION;

EID: 0033054481     PISSN: 13350552     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (92)

1. Alekseev A.S., Olferiev A.G. & Schik S.M., 1993: Explanatory note to the Unified stratigraphical schemes of Upper Cretaceous of the East-European Platform. MP Devon Publ., Sankt-Petersburg, 1-58 (in Russian).
2. Aristov V.N. & Ivanov A.N., 1971: On the Lower Hauterivian (Lower Cretaceous) zonation in the Boreal realm of the USSR. Učen. Zap. Yaroslav. Gos. Pedag. Inst., 87, 64-70 (in Russian).
3. Arkhangelsky A.D., 1923: Introduction in the investigation of the geology of the European Russia. Part 1. Tectonics and history of development of the Russian platform. Gosizdat, Moscow-Petrograd, 1-146 (in Russian).
4. Baraboshkin E.J., 1997a: The new stratigraphic scheme of the Lower Cretaceous between Kacha and Bodrak River (South-Western Crimea). Vest. Mosc. Univ., Ser. Geol., 3, 1-20 (in Russian).
5. Baraboshkin E.J., 1997b: The Tethyan/Boreal problem as the result of paleozoogeographical changes: Early Cretaceous examples from the Russian Platform. Miner. slovaca, 29, 4-5, 250-252.
6. Bogoslowsky N.A., 1897: Ryazanian horizon (fauna, stratigraphical correlation and probable age of this horizon). Mater. Geol. Russia, 18, 1-157 (in Russian).
7. Braduchan Yu.V., Golbert A.V., Gurari F.G., Zakharov V.A., Bulynnikova S.P., Klimova I.G., Mesezhnikov M.S., Vyachkileva N.P., Kozlova G.E., Lebedev A.I., Nalnyaeva T.I. & Turbina A.S., 1986: The Bazhenov horizon of the Western Siberia (stratigraphy, ecosystem, oil productivity). Trudy Inst. Geol. Geophys. Acad. Sci. USSR, Siberian Branch, 649, 1-217 (in Russian).
8. Casey R., 1973: The ammonite succession at the Jurassic-Cretaceous boundary in eastern England. In: Casey R. & Rawson P.F. (Eds.): The Boreal Lower Cretaceous. Geol. J. Spec. Issue, 5, 193-266.
9. Casey R., Mesezhnikov M.S. & Shulgina N.I., 1977: Correlation of Jurassic-Cretaceous boundary in England, Russian platform, Subarctic Ural and Siberia, Izv. Acad. Sci. USSR, Ser. Geol., 7, 14-33 (in Russian).
10. Dembovska J. & Marek S., 1979: Jurassic-Cretaceous boundary on the Polish Lowland. In: Saks V.N. (Ed.): Upper Jurassic and its boundary with the Cretaceous. Nauka Publ., Novosibirsk, 40-43 (in Russian).
11. Druzchitz V.V. & Smirnova T.N., 1979: Early Cretaceous Biogeography. Itogi nauki i techniki, 9, 59-86 (in Russian).
12. Egoyan V.L. & Tkachuk G.A., 1965: On the stratigraphy of Hauterivian of North Caucasus. Trudy KF VNIIneft, 16, 244-285 (in Russian).
13. Ershova E.S., 1983: Explanatory note to the Jurassic and Lower Cretaceous biostratigraphical scheme of the Spitsbergen Archipelago. PGO Sevmorgeologia Publ., Leningrad, 1-88 (in Russian).
14. Gerasimov P.A., 1969: Upper Substage of the Volgian Stage of central part of Russian Platform. The paleontological-stratigraphical and lithological studying. Nauka Publ., Moscow, 1-144 (in Russian).
15. Gerasimov P.A., 1986: Volgian mollusca of Moscow and Yaroslavl regions and their zonal distribution. In: Mesezhnikov M.S. (Ed.): Jurassic of the Russian Platform. VNIGRI Publ., Leningrad, 71-80 (in Russian).
16. Golbert A. V. & Klimova I.G., 1979: Boundary beds of Jurassic and Cretaceous and the marine Lower Cretaceous in the reference section of Neocomian of Western Siberia (sections near Polar Ural). In: Saks V.N. (Ed.): Upper Jurassic and its boundary with the Cretaceous. Nauka Publ., Novosibirsk, 35-40 (in Russian).
17. Gordeev N.I., 1971: On the ammonites from Polyptychites horizon of Neocomian of Mangyshlak. Trudy Inst. Geol. Geophys. Acad. Sci. USSR, Siberian Branch, 2, 190-198 (in Russian).
18. Gramberg I.S. & Ronkina Z.Z., 1983: Paleozoic-Mesozoic stage in the paleogeographical development history of the Soviet Arctic. In: Zakharov V.A. & Nalnyaeva T.I. (Eds.): The Mesozoic of the Soviet Arctic. Nauka Publ., Novosibirsk, 12-19 (in Russian).
19. Haq B.W., Hardenbol J. & Vail P.R., 1988: Mesozoic and Cenozoic chronostratigraphy and cycles of sea-level change. Soc. Econom. Paleontol. Mineral., Spec. Publ., 42, 71-108.
20. Hoedemaeker P.J., 1987: Correlation possibilities around the Jurassic/Cretaceous boundary. Scr. Geol., 84, 1-64.
21. Hoedemaeker P.J., 1990: The Neocomian boundaries of the Tethyan Realm based on distribution of ammonites. Cretaceous Research, 11, 331-342.
22. Hoedemaeker P.J., Cecca F., Avram E., Company M., Delanoy G., Erba E., Ettachfini M., Faraoni P., Kakabadze M.V., Landra G., Marini A., Memmi L., Pallini G., Rawson P.F., Popolo P., Sandoval J., Tavera J.M. & Vašíček Z.,1995: Ammonite zonation for the Lower Cretaceous of the Mediterranean region; basis for the stratigraphic correlations within IGCP-project 262. Mem. Descr. Carta Geol. Italia, 51, 213-215.
23. Jeletzky J.A., 1973: Biochronology of the marine boreal latest Jurassic, Berriasian and Valanginian in Canada. In: Casey R. & Rawson P.F. (Eds.): The Boreal Lower Cretaceous. Geol. J. Spec. Issue, 5, 41-80.
24. Jeletzky J.A., 1984: Jurassic-Cretaceous boundary beds of Western and Arctic Canada and the problem of the Tithonian-Berriasian Stages in the Boreal Realm. In: Westermann G.E.G. (Ed.): Jurassic-Cretaceous Biochronology and Paleogeography of North America. Geol. Assoc. Canada, Spec. Pap., 27, 175-255.
25. Kemper E., 1973: The Valanginian and Hauterivian stages in north-west Germany. In: Casey R. & Rawson P.F. (Eds.): The Boreal Lower Cretaceous. Geol. J. Spec. Issue, 5, 327-344.
26. Kemper E., 1961: Die Ammonitengattung Platylenticeras (=Garnieria). Beih. Geol. Jb., 47, 1-95.
27. Kemper E., Rawson P.F. & Thieuloy J.P., 1981: Ammonites of Tethyan ancestry in the early Lower Cretaceous of north-west Europe. Palaeontology, 24, 2, 251-311.
28. Klimova I.G., 1982: Lower Valanginian zonal ammonite assemblages of Northern Siberia. In: Large subdivision boundaries of Siberian Phanerozoic. SNIIGGIMS, Novosibirsk, 260, 120-130 (in Russian).
29. Klimova I.G., 1990: Neocomian biostratigraphy of Western Siberia. In: V.V. Menner (Ed.): The Jurassic Cretaceous boundary. Trudy Inst. Geol. Geophys. Acad. Sci. USSR, Siberian Branch, 699, 167-171 (in Russian).
30. Kutek J. & Marcinowski R., 1996: The Mid-Cretaceous Boreal/Tethyan biogeographical boundary in the Carpatho-Balkan area. In: New developments in Cretaceous research topics, Jost Wiedmann Memorial Volume. Mitt. Geol.-Palaeont. Inst. Univ. Hamburg, 77, 141-147.
31. Kutek J., Marcinowski R. & Wiedmann J., 1989: The Wawal section, Central Poland - An important Link between Boreal and Tethyan Valanginian. In: Wiedmann J. (Ed.): Cretaceous of the Western Tethys. E. Schweiz. Verlagsbuch., Stuttgart, 717-754.
32. Kvantaliani I.V. & Lysenko N.I., 1979: The new Berriasian genera Tauricoceras. Dokl. Acad. Sci. Gruz. SSR, Ser. Geol., 93, 3, 629-632 (in Russian).
33. Kvantaliani I.V. & Sakharov A.S., 1986: Valanginian ammonites of Northern Caucasus. Geol. Balcanica, 16, 1, 55-68 (in Russian).
34. Luppov N.P., Alekseeva L.V., Bogdanova T.N., Korotkov V.A., Dzhalilov M.R., Lobacheva S.V., Kuzmicheva E.I., Akopian V.T. & Smirnova S.B., 1983: Valanginian of the Mangyshlak. Nauka Publ., Moscow, 1-120 (in Russian).
35. Luppov N.P., Bogdanova T.N., Lobacheva S.V., Akopyan V.T., Dzhalilov M.R., Korotkov V.A., Myatlyuk E.V. & Poretskaya E.S., 1988: Berriasian of Mangyshlak. Nauka Publ., Leningrad, 1-204 (in Russian).
36. Makridin V.P. & Meyen S.V., 1988: Paleozoogeographical investigations. In: Menner V.V. & Makridin V.P. (Ed.): The modern paleontology. Methods, tendencies, problems, practical application. Informational textbook. T.2., Nedra Publ., Moscow, 5-31 (in Russian).
37. Marek S., 1967: The Infravalanginian of Kujawy. Biul. Inst. Geol., 200, 133-236 (in Polish).
38. Marek S., 1968: Outline of the Lower Cretaceous stratigraphy in the marginal trough. Kwart. Geol., 2, 345-368 (in Polish).
39. Marek S., 1969: Outline of the Lower Cretaceous stratigraphy in the Kujawy region. Kwart. Geol., 13, 1, 139-154 (in Polish).
40. Marek S., 1983: The stratigraphy and palaeogeography of the Lower Cretaceous deposits of the Polish Lowland area. Zitteliana, 10, 55-64.
41. Marek S. & Raczyńska A., 1973: The stratigraphy and palaeogeography of the Lower Cretaceous deposits of the Polish Lowland area. In: Casey R. & Rawson P.F. (Eds.): The Boreal Lower Cretaceous. Geol. J. Spec. Issue, 5, 369-386.
42. Marek S., Rajska M. & Sztein J., 1989: Outline of the Lower Cretaceous stratigraphy in the Kujawy region. Bull. Acad. Pol. Sci, Earth Sci., 37, 3-4, 131-141.
43. Marek S. & Shulgina N., 1996: Biostratigraphic correlation between Lower Cretaceous deposits in the central region of East-European Platform and the Polish Lowlands. Geol. Quart., 40, 1, 129-140.
44. Mesezhnikov M.S., 1984: A zonal subdivision of the Ryazanian horizon. In: Menner V.V. (Ed.): The Jurassic and Cretaceous Stage boundary. Trudy Inst. Geol. Geophys. Acad. Sci. USSR, Siberian Branch, 644, 54-66 (in Russian).
45. Mesezhnikov M.S., Meledina S.V., Nalnyaeva T.I. & Shulgina N.I., 1983: Jurassic and Cretaceous zoogeography of the Boreal realm by cephalopod mollusks. In: Zakharov V.A. & Nalnyaeva T.I. (Eds.): The Mesozoic of the Soviet Arctic. Trudy Inst. Geol. Geophys. Acad. Sci. USSR, Siberian Branch, 555, 28-61 (in Russian).
46. Mesezhnikov M.S., Golbert A.V., Zakharov V.A., Klimova I.G., Shulgina N.I., Alekseev S.N., Bulynnikova S.P., Kuzina V.I. & Yakovleva S.P., 1979a: New in the stratigraphy of the Jurassic-Cretaceous boundary beds in the Pechora River basin. In: Saks V.N. (Ed.): Upper Jurassic and its boundary with the Cretaceous. Nauka Publ., Novosibirsk, 66-71 (in Russian).
47. Mesezhnikov M.S., Zakharov V.A., Shulgina N.I. & Alekseev S.N., 1979b: Stratigraphy of the Ryazanian Horizon in the Oka River. In: Saks V.N. (Ed.): Upper Jurassic and its boundary with the Cretaceous. Nauka Publ., Novosibirsk, 71-81 (in Russian).
48. Michalik J., 1995: Lower Cretaceous stratigraphy, facies, faunas and Tethyan/Boreal influences in the Western Carpathians. Cretaceous Research, 16, 299-310.
49. Milanovsky E.E., 1987: Geology of USSR. Part 1. Introduction. Ancient Platforms and Metaplatform regions. Mosc. State. Univ. Publ., Moscow: 1-416 (in Russian).
50. Moskvin M.M. (Ed.), 1986: Stratigraphy of the USSR. Cretaceous system. Nedra Publ., Moscow, I, 1-340 (in Russian).
51. Naidin D.P. & Baraboshkin E.J., 1994: On the application of stratigraphic data for the Russian Platform to reconstruct the eustatic sea-level variations in the Jurassic and Cretaceous. Bull. Mosc. Soc. Natur., Ser. Geol., 69, 5, 118-127 (in Russian).
52. Nessis K.N., 1985: Oceanic cephalopods. Distribution, life forms, evolution. Nauka Publ., Moscow, 1-286 (in Russian).
53. Nikolov T.G., 1982: Les ammonites de la famille Berriasellidae Spath, 1922. Tithonique superieur-Berriasien. Edit. Acad. Bulg. Sci., Sofia, 1-251.
54. Owen H.G., 1996: Boreal and Tethyan late Aptian to late Albian ammonite zonation and palaeobiogeography. In: New developments in Cretaceous research topics, Jost Wiedmann Memorial Volume. Mitt. Geol.-Palaeont. Inst. Univ. Hamburg, Hamburg, 77, 461-481.
55. Pavlow A.P., 1901: Le cretace inferieur de la Russie et sa faune. Mém. Soc. Natur. Moscou, 16, 21, 3, 1-87.
56. Prozorovsky V.A., 1991: Upper Jurassic and Lower Cretaceous of the Western Middle Asia: Stratigraphy and geological history. Leningr. State Univ. Press., Leningrad, 1-256 (in Russian).
57. Rawson P.F., 1973: Lower Cretaceous (Ryazanian-Barremian) marine connections and cephalopod migrations between the Tethyan and Boreal Realms. In: Casey R. & Rawson P.F. (Eds.): The Boreal Lower Cretaceous. Geol. J. Spec. Issue, 5, 131-144.
58. Rawson P.F., 1981: Early Cretaceous Ammonite Biostratigraphy and Biogeography. In: House M.R. & Senior J.R. (Eds.): The Ammonoidea. Academik Press, London & New York, 499-529.
59. Rawson P.F., 1993: The influence of sea-level changes on the migration and evolution of early Cretaceous (pre-Aptian) ammonites. In: House M.R. (Ed.): The Ammonoidea: Environment, Ecology and Evolutionary Change. Clarendon Press, Oxford, 227-242.
60. Rawson P.F., 1995: The "Boreal" Early Cretaceous (pre-Aptian) ammonite sequences of NW Europe and their correlation with the western Mediterranean faunas. Mem. Descr. Carta Geol. Italia, LI, 121-130.
61. Raczyńska A., 1967: Lower Cretaceous stratigraphy and sedimentation in western Poland. Biul. Inst. Geol., 210, IV, 129-179 (in Polish).
62. Ronkina Z.Z., Saks V.N., Basov V.A., Zakharov V.A., Mesezhnikov M.S., Shulgina N.I., Judovny E.G., Pospelova G.A., Anuchin A.V. & Larionova G.Ya., 1969: Reference section of the Upper Jurassic of Kheta River basin (Khatanga depression). Nauka Publ., Leningrad sect., Leningrad, 1-207 (in Russian).
63. Rowley D.B. & Lottes A.L., 1988: Plate-kinematic reconstructions of the North Atlantic and Arctic: Late Jurassic to Present. Tectonophysics, 155, 1/4, 73-120.
64. Sahagian D.L., Pinous O., Olferiev A. & Zakharov V., 1996: Eustatic curve for the Middle Jurassic-Cretaceous based on Russian Platform and Siberian stratigraphy: Zonal resolution. Bull. AAPG, 80, 9, 1433-1458.
65. Sakharov A.S., 1984: A boundary section of the Jurassic and Cretaceous of the eastern Caucasus. In: Menner V.V. (Ed.): The Jurassic and Cretaceous boundary stages. Trudy Inst. Geol. Geophys. Acad. Sci. USSR, Siberian Branch, 644, 36-42 (in Russian).
66. Sakharov A.S., 1993: Boreal elements in the stratigraphical scheme of Upper Jurassic and Neocomian of the North-Eastern Caucasus. In: Chirva S.A. & Zinchenko V.N. (Ed.): Phanerozoic stratigraphy of oil- and gas-field regions of Russia. VNIGNI, Sankt-Petersburg, 146-156 (in Russian).
67. Sakharov A.S. & Frolova-Bagreeva E.F., 1973: On the Berriasian zonation in Osetia and Kabardino-Balkary. Izv. Acad. Sci. USSR, Ser. Geol., 8, 129-131 (in Russian).
68. Saks V.N., Basov V.A., Dagys A.A., Dagys A.S., Zakharov V.A., Ivanova I.F., Meledina S.V., Mesezhnikov M.S., Nalnyaeva T.I. & Shulgina N.I., 1971: Paleozoogeography of Boreal seas during Jurassic and Neocomian Time. In: Bogolepov K.V. (Ed.): Problems of general and regional geology. Nauka Publ., Novosibirsk, 179-211 (in Russian).
69. Saks V.N., Shulgina N.I., Basov V.A., Burdykina M.D., Golbert A.V., Dagys A.S., Zakharov V.A., Ivanova E.F., Klimova I.G., Mesezhnikov M.S., Nalnyaeva T.I., Pokhialainen V.P., Romanova E.E., Ronkina Z.Z., Sasonova I.G., Trushkova L.J. & Yudovny E.G., 1972: Jurassic-Cretaceous boundary and Berriasian Stage in Boreal Realm. Nauka Publ., Novosibirsk, 1-371 (in Russian).
70. Saks V.N., Meledina S.V., Mesezhnikov M.S., Beizel A.L., Gerke A.A., Dagys A.A., Dagys A.S., Zakharov V.A., Ilyina V.I., Kalacheva E.D., Kaplan M.E., Kartzeva G.N., Kirina T.I., Kirichkova A.I., Kniazev V.G., Kozlova G.E., Kravetz V.S., Krymholz N.G. & Lev O.E., 1976: Stratigraphy of the Jurassic Stage of the North of the USSR. Nauka Publ., Moscow, 1-436 (in Russian).
71. Sarkisian S.G. & Protzvetalova T.N., 1968: Early Cretaceous paleogeography of Western Siberia lowland. Nauka Publ., Moscow, 1-80 (in Russian).
72. Sasonova I.G., 1958: The Lower Cretaceous of central regions of the Russian Platform. In: Flerova O.V. (Ed.): Mesozoic and Tertiary of the central parts of the Russian Platform. Gostoptehizdat, Moscow, 31-184 (in Russian).
73. Sasonova I.G., 1971: Berriasian and Lower Valanginian ammonites of the Russian Platform. In: Sasonov N.T. (Ed.): The Berriasian of the Russian Platform stratigraphy, ammonite and aucellinid fauna). Trudy Vsesojuz. Nauč.-Issled. Geol.-Razv. Neft. Inst., 110, 3-110 (in Russian).
74. Sasonova I.G., 1977: Ammonites from the Jurassic/Cretaceous boundary beds of the Russian Platform. Trudy Vsesojuz. Nauč.-Issled. Geol.-Razv. Neft. Inst., 110, 1-128 (in Russian).
75. Sasonova I.G. & Sasonov N.T., 1967: Paleogeography of Russian Platform in Jurassic and Cretaceous. Trudy Vsesojuz. Nauč.-Issled. Geol.-Razv. Neft. Inst., 62, 1-1260 (in Russian).
76. Sasonova I.G. & Sasonov N.T., 1979: The Jurassic-Cretaceous Boundary in the East European Platform. In: Wiedmann J. (Ed.): Aspekte der Kreide Europas. IUGS Ser. A, 6, 487-496.
77. Sei I.I. & Kalacheva E.D., 1997: The Jurassic and Cretaceous boundary in the Boreal Realm (biostratigraphy, Boreal-Tethyan correlation). Stratigraphy. Geol. Correlat., 5, 1, 42-59 (in Russian).
78. Shulgina N.I., 1974: Paleozoogeography of the Boreal realm in Late Volgian, Berriasian and Valanginian. In: Dagis A.S. & Zakharov V.A. (Eds.): Mesozoic paleobiogeography of the north of Eurasia. Trans. Inst. Geol. Geophys. Acad. Sci. USSR, Siberian Branch, 555, 100-127 (in Russian).
79. Shulgina N.I., 1996: Biostratigraphic chart for the Lower Cretaceous of the central and eastern European (Russian) platform. In: Spaeth C. (Ed.): New developments in Cretaceous research topics, Jost Wiedmann Memorial Volume. Mitt. Geol.-Palaeont. Inst. Univ. Hamburg, 77, 89-93.
80. Shulgina N.I., Basov V.A., Mikhailov Yu.A. & Pavlov V.V., 1979: The stratigraphy of Valanginian-Hauterivian in Krestovsky forbidden quarry of the Yaroslavl Town. In: The Late Mesozoic cephalopods of Upper Povolzhie. Mezhvuz. sbor. nauč. trudov, 183, 46-54 (in Russian).
81. Sokolova E.I., 1939: To the stratigraphy of the Jurassic deposits of the Uralo-Emba region. Trudy Geol. Nefl. Inst., Ser. A, 114, 1-45 (in Russian).
82. Surkov V.S. (Ed.), 1995: Atlas of paleotectonical and geological-paleolandscape maps of the oil-field provinces of Siberia. SNIIGGIMS, Novosibirsk-Geneve, I, 1-160; II, 161-222 (in Russian).
83. Surkov V.S. (Ed.), 1995: Atlas of paleotectonical and geological-paleolandscape maps of the oil-field provinces of Siberia. SNIIGGIMS, Novosibirsk-Geneve, I, 1-160; II, 161-222 (in Russian).
84. Thieuloy J.P., 1973: The occurrence and distribution of boreal ammonites from the Neocomian of southeast France (Tethyan Province). In: Casey R. & Rawson P.F. (Eds.): The Boreal Lower Cretaceous. Geol. J. Spec. Issue, 5, 289-302.
85. Vakhrameev V.A., 1952: Stratigraphy and fossil flora of Cretaceous of Western Kazakhstan. In: Nalivkin D.V. (Ed.): Regional stratigraphy of the USSR. Acad. Sci. USSR Publ., Moscow, I, 1-340 (in Russian).
86. Wright C.W., Callomon J.H. & Howarth M.K., 1996: Cretaceous Ammonoidea. Volume 4. Mollusca 4. Revised. Part L. In: Moore R.C. & Kaesler R.L. (Eds.): Treatise on Invertebrate Paleontology. Geol. Soc. of America & Univ. Kansas Press, New York, 1-362.
87. Zakharov V.A., Bogomolov Y.I., Ilyina V.I., Konstantinov A.G., Kurushin N.I., Lebedeva N.K., Meledina S.V., Nikitenko B.L., Sobolev E.S. & Shurygin B.N., 1997: Boreal zonal standard and Mesozoic biostratigraphy of Siberia. Geol. and Geophys., Siberian Branch, 38, 5, 927-956 (in Russian).
88. Zakharov V.A., Bown P. & Rawson P.F., 1996: The Berriasian stage and the Jurassic-Cretaceous boundary. Bull. Inst. Royal Sci. Natur. Belgique, Sci. de la terre, 66, 7-10.
89. Zakharov V.A. & Mesezhnikov M.S., 1974: The Volgian Stage of the Subarctic Ural. Trudy Inst. Geol. Geophys. Acad. Sci. USSR, Siberian Branch, 555, 1-175 (in Russian).
90. Zeiss A., 1979: The problem of Upper Jurassic correlation and some considerations on the Jurassic/Cretaceous boundary. In: Saks V.N. (Ed.): Upper Jurassic and its boundary with the Cretaceous. Nauka Publ., Novosibirsk, 14-27 (in Russian).
91. Zhirmunsky A.M., 1927: Upper Jurassic and Lower Cretaceous fauna of Spitzbergen. Trudy Plavuchemor. Nauch. Inst., 2, 91-113 (in Russian).
92. Ziegler P.A., 1990: Geological atlas of Western and Central Europe. 2nd edition. London Publ. House, Bath, 1-239.