Late Cretaceous (Santonian-Campanian) sea lilies (Echinodermata,Crinoidea) from the glacial rafts of northwestern Poland |
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Authors: | Mariusz A Salamon Przemys?aw Gorzelak |
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Institution: | 1.Faculty of Earth Sciences, Department of Paleontology and Biostratigraphy,University of Silesia,Sosnowiec,Poland;2.Tychy,Poland |
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Abstract: | Seven Santonian (Isocrinus? minutus, Tetracrinus jagti, Cyathidium senessei, Bourgueticrinidae indet., Notocrinidae indet., Glenotremites paradoxus, Marsupites testudinarius) and seven Campanian (Nielsenicrinus carinatus, Austinocrinus sp., Bourgueticrinidae indet., Bourgueticrinus cf. constrictus, B. ellipticus, B.? suedicus, Roveacrinina gen. et sp. indet.) crinoid taxa from the Cretaceous glacial rafts of northwestern Poland (near Wolin Island) are described for the first time. The taphonomy and palaeogeographic implications are discussed. The present assemblage differs taxonomically from the crinoid faunules recently described from the glacial rafts of eastern Poland. However, these faunules are similar to crinoids from the autochthonous Upper Cretaceous sediments of southern and eastern Poland (Miechów Trough, Kraków-Cz?stochowa Upland, Middle Vistula River valley). An update of Late Cretaceous crinoids from the Miechów Trough and Kraków-Cz?stochowa Upland is also given. |
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