14. K sill i k i e w i c z M. - Les poissons fossUes du critace sup&ieur des environs de Cracovie. Biull. I'Acad. Sci. Let., Classe des SeL Mathem. Nat., Ser. B: Sci. Naturelles 01926), Cracovie, .
1927. . .. . . ,
15. Le r i c heM. - Les :Poisso~ paleocenes de la BeJ.gique. Mem. Mus. Roy, ~t. natur. Belg., 1902,
nr 2. . . . "
16. Le r i c heM. - iLes Poissons eocenes de la BeIaique. Ibidem, 1905, nr 3.
17. Le r i c heM. - Sur l'importance des squales f-ossiles dans l'etablissement· des synchronismes de formations a grande distances et sur la reparu-tion strat1graphique et geographique de la quel-ques especes tertiaires. Mem. Mus. Hist. natur. Belqique (2), 1936, f. 3. .
18. Le r i c heM. - Lea POisSODS tertiaires de la BelCique (Suplement). Ibidem, 1951, nr 3. 19. Matwiejew6wna L. - Analiza fauny
maI-z6w i Slimak6w siwaka z okolic Pulaw. Prace Tow. przyj. Nauk 1935, nr 9. Wilno.
20. Mo r 0 z S. A., K r a c h W. - Osady paleocenu p6lnocnej Ukrainy i, Nizu Polski. Rocz . .t'ol. Tow. Geol. 1967, XXXVII; nr 4.
21'. Po Z a r y s k a K. - Zagadnienia sedymentologi-czne g6rnego mastrychtu i danu okolic Pulaw. Biu!. PIG, 1952,
nr
81.22. Po z a r y s k a K. - Foraminifera and Biostra-tii1'&Phy of the Danian and Montian in Poland. Paleont. polon. 1965,
nr
14-23. Po Z a r y 8 k
a
K. - Rechercbe8 sur les couches du TertUaire inferieur en Europe Epicontinentale.SUMMARY
The paper deals with the results oi study on ichthyofauna from the boundary beds between the Cretaceous and Tertiary, and from the Palaeocene, found to occur at NasU6w and Bochotnica, near Ka-zimierz Dolny on Vistula River (Central Poland). A
list of forms is given together with their vertical range (Tab. I). Based on the analysis of the ichthyo-fauna the author was able to distinguish here the following horizons: Upper Cretaceous
(Maastrich-1.i.an), Danian 8.S., Dano-Montian, Thanetian, and the lowermost Sparnacian (Fig. 2). It is demnostrated that the Danian deposits, determined on the basis
of foraminifer microfauna, comprise - according to the icbthyofauna - Danian s. 8., Dano-Montian and partly Thiuietian, whereas the Montian deposits Thanetian and probably Lower Sparnacian (Fig. 2). The ichthyofauna of the individual hox:izons is ty-pical and corresponds to that of the Danian, Mon-tia·n, Thanetian and Sparnacian -(Lower LoIldenian) of West and North Europestratotypes. It has been ascertained that the icbthyofauna . .llere ... considered forces to refer the Danian to the Upper Cretaceous.
'A short ecological analysis has been made of the fish associations in the individual horizons, and new conclusions have been drawn on this basis, concer-ning both bathymetric changes in the sedimentary basis, and climlWte evolution at the Cre-taceous-Tertiary and the Palaeocene times in the area studied. It has' also been demonstrated that the-se facts ·lead to a new palaeogeographical recon-struction of the then extents of the continent and of the sea in the area of Central and North Poland. Paiaelogeagraphical value of the ichthyofanua, the most typical and complete in Central Europe, has been discussed, ·and possibilities have been presented of a new correlation of the Palaeocene in Central Poland with the epicontinental Palaeocene of the Ukraine and the Dnieper - Donets foredeep ..
Acad. Pol. des Sci., Centre Sei.
a
Paris Confer., Fasc. 72. Warszawa, 1968.24. Pozaryska K., Szczechura J. - Forami-nifera from the Paleocene of Poland, their
ecolo-peal
and biostratigraphical meaning. Paleont. poloD. 1968, or 20.25. Pozaryska K., Szczechura J. - Straty-grafia paleocenu w PoIsce Pozakarpackiej. Kwart. geol., 1968, nr 4.
26. P 0 Z a r y ski W. - Stratygrafia senonu w prze-wmie Wisly mi~dzy Rachowem i Pulawami. Biul. PIG, 1938,
nr
6.27. Pozaryski W.,. Pozaryska K. - On the Danien and 'Lower Paleocene sediments in Po-land. Int. Geol. Congr., 21 Sess., Norden,5,
Co-penhagen 1960. .
28. S a m son 0 w i c z J. - Objasnienia arkusza Opa-t6w. Og6lna mapa geologiczna Polski w ,skali
1 : 100000. PIG, Warszawa
1934-29. The n ius E. - Tertiar. II Teil: Wirbeltierfa-unen. W: Lotze F. (Ed), Handbuch der strati-graphischen Geologie. Stuttgart (Enke), 1959. 30. W hit e E. 1. - The vertebrate faunes 'of the
English Eocene .. Vol. I. From the Thanet sands to the basement bed of the London Clay. 'British Mus. natur. Hist. London, 1931. .
31. Woo d war d A. S. - Fossil fishes of the Eri-glisch Chalk. Palaeontogr. Soc., vol. 1902, 1903, 1907, 1908, 1909, 1911, 1912. Part. I-VII, LoQdon, ·1902-l1fHt2.
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