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Zastosuj identyfikator do podlinkowania lub zacytowania tej pozycji: http://hdl.handle.net/20.500.12128/267
Tytuł: Late Cretaceous gastropod egg capsules from the Netherlands preserved by bioimmuration
Autor: Zatoń, Michał
Taylor, Paul D.
Jagt, John W. M.
Słowa kluczowe: gastropod egg; Netherlands
Data wydania: 2013
Źródło: Acta Palaeontologica Polonica, Vol. 58, iss. 2 (2013), s. 351-355
Abstrakt: Clusters of gastropod egg capsules, inferred to be of neritoids and attached to the inner shell wall of the ultimate whorl of a large volutid gastropod, are here recorded from the upper Nekum Member (Maastricht Formation; late Maastrichtian) of the ENCI-Heidelberg Cement Group quarry, St Pietersberg (Maastricht, southeast Netherlands). Because the aragonitic shell of the volutid has dissolved, the outlines of the egg capsules are now revealed on the steinkern of indurated biocalcarenite, having been subsequently overgrown by cheilostome bryozoan colonies and preserved as mould bioimmurations. This represents the first example of gastropod eggs preserved through bioimmuration, as well as the first record of gastropod eggs from the Cretaceous.
URI: http://hdl.handle.net/20.500.12128/267
DOI: 10.4202/app.2011.0150
ISSN: 0567-7920
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