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・ Lageado (disambiguation)
・ Lagedi
・ Lageia
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・ Lagelu
・ Lagelu, Nigeria
・ Lagena
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Lagenida
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・ Lagenidium
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・ Lagenocypsela
・ Lagenocystis radicicola
・ Lagenoderus
・ Lagenophora
・ Lagenophora gracilis
・ Lagenorhynchus
・ Lagentium
・ Lageon
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Lagenida : ウィキペディア英語版
Lagenida

Lagenida is an order of benthic foraminiferal protists in which the tests (shells) are monolamellar, with walls composed of optically and ultra-structurally radiate calcite, with the crystallographic c-axes perpendicular to the surface. Lagenids first appear in the Upper Silurian and continue to the Recent. They are currently divided into two superfamilies, the older Robuloidacea which range from the Upper Silurian to the Lower Cretaceous (Albian) and the younger Nodosariacea, ranging from the Permian to Recent.
==Taxonomic history==
Lagenida (suborder Lagenina in Loeblich and Tappan 1988) is an emendation of the rotaliid superfamily Nodosariacea, removing it from the Rotaliina in the ''Treatise on Invertebrate Paleontology'' (Loeblich and Tappan, 1964) and combining it with the Robuloidacea, named by Reiss, 1963, to form a new order Lagenida.
Robuloidacea includes families previously included in the Fusulinida and found in either of the supefamilies Parathuramminacea and Endothyracea. Provided that robuloidaceans did actually give rise to nodoceriacea in the Triassic, the ultimate ancestry of Lagenida can be found within Fusulinida, but not the better known Fusulinacea.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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