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Journal Article
Published: 19 July 2005
Canadian Journal of Earth Sciences (2005) 42 (5): 777-790.
... considerably different from described species first appear. Over 15 genera and 130 species disappeared near the end of the Triassic, over half of these in uppermost beds of the Rhaetian. Rare specimens of Deflandrecyrtium, Fontinella Carter, Icrioma De Wever, Kahlerosphaera Kozur and Mostler...
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Series: Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP334.8
EISBN: 9781862395824
... by the extinction were architecturally complex forms, for example, Eptingium , Icrioma , Nabolella , Paratriassoastrum , Pentactinocarpus , Praecitriduma , Tetraporobrachia , and short-ranging genera confined to the Rhaetian such as Serilla , Kungalaria...
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