Lagenida

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(Taxonomy: revised and expanded taxonomy)
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'''Lagenida''' are an order of [[calcareous]] [[benthic]] [[Foraminifera|foraminifers]] closely related to, and possibly derived from within, the [[Palaeozoic]] [[Fusulinida]]. Lagenides first appeared during the [[Carboniferous]], but did not become a significant part of the fauna until the latter part of the [[Permian]], when the fusulinides underwent a sharp decline before their extinction at the end of the Permian (Groves ''et al.'', 2003). Today, the lagenides include about 120 living genera, and are one of the major living groups of calcareous foraminifers after [[Miliolida]] and [[Rotaliida]].
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'''Lagenida''' are an order of calcareous [[benthic]] [[Foraminifera|foraminifers]] closely related to, and possibly derived from within, the [[Palaeozoic]] [[Fusulinida]]. Lagenides first appeared during the [[Carboniferous]], but did not become a significant part of the fauna until the latter part of the [[Permian]], when the fusulinides underwent a sharp decline before their extinction at the end of the Permian (Groves ''et al.'', 2003). Today, the lagenides include about 120 living genera, and are one of the major living groups of calcareous foraminifers after [[Miliolida]] and [[Rotaliida]].
==Description==
==Description==
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==Lagenid dendrogram==
==Lagenid dendrogram==
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  [[Rotaliina|<==]]Lagenida [Lagenina, Syzraniidae]
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  [[Foraminifera|<==]]Lagenida [Lagenina, Syzraniidae]
     |  ''i. s.'': ''Lunucammina'' Spandel 1898 (''n. d.'')
     |  ''i. s.'': ''Lunucammina'' Spandel 1898 (''n. d.'')
     |        ''Polarisella'' Mamet & Pinard 1992
     |        ''Polarisella'' Mamet & Pinard 1992

Latest revision as of 13:48, 1 September 2012

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