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Bredyia
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・ Bree
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・ Bree (name)
・ Bree (Narnia)
・ Bree Amer
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・ Bree Desborough
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Bredyia : ウィキペディア英語版
Bredyia

''Bredyia'' is an ammonite genus from the lower part of the Middle Jurassic, found in Europe and North America.
''Bredyia'' is a member of the Hammatoceratidae, a family which comprises part of the Hildoceratoidea. Its shell is involute, strongly ribbed, with a small umbilicus. Whorls are strongly embracing; ribs thick, radially straight on the sides, curves forward on the venter but do not meet. The sides or flanks are outwardly bowed. The venter has a narrow keel and may be fastigate, like a gable roof.
==References==

* W.J. Arkell, et al., 1957. Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L, Ammonoidea. Geological Society of America.
*(Bredyia ) in Fossilworks Gateway
*(Hammatoceratidae ) in Ammonites et Autres Spirales (Fr).

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Bredyia」の詳細全文を読む



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