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Glyptostrobus europaeus
''Glyptostrobus europaeus'' is an extinct conifer species of the family Cupressaceae that is found as fossils throughout the Northern Hemisphere. The sole living species of ''Glyptostrobus'' (''Glyptostrobus pensilis'') was described from China in 1926.〔Henry, A. and McIntyre, M. 1926. The swamp cypresses, ''Glyptostrobus'' of China and ''Taxodium'' of America, with notes on allied genera. Proceedings of the Royal Irish Academy v. 37, sect. B, No. 13, p. 90-116, 8 plates.〕 The name of the genus comes from the Greek "''glypto''" meaning grooved or carved, and "''strobilus''" meaning cone. The species name "''europaeus''" refers to the fact that it was first described from Europe.
==History==
Fossilized remains of ''Glyptostrobus'' were first described as ''Taxodium europaeus'' by Adolphe-Théodore Brongniart in 1833 and reassigned to the genus ''Glyptostrobus'' by Oswald Heer in 1855. The division of fossil members of the genus into a number of other species is considered by some to rest on "very unreliable criteria".〔Hickey, L.J. 1977. Stratigraphy and paleobotany of the Golden Valley Formation (early Tertiary) of western North Dakota. Geological Society of America, Memoir 150.〕 In fact, it has been stated that fossil ''Glyptostrobus'' does not appear to differ significantly from the living species and "it is possible that the tree now on the verge of extinction in China is the Tertiary species unchanged".〔
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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