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・ Diplocheta
・ Diplochlamys
・ Diplochorda
・ Diplochorina
・ Diplochroa
・ Diplocidaridae
・ Diplocidaris
・ Diplocirrus glaucus
・ Diplock
・ Diplock courts
・ Diplock Glacier
・ Diplocladius
・ Diplococcus
・ Diplocoelus
・ Diploconger polystigmatus
Diplocraterion
・ Diplocyclos
・ Diplocyclos palmatus
・ Diplocynodon
・ Diplocynodontinae
・ Diplocystaceae
・ Diplocystidae
・ Diplocystis
・ Diplodactylidae
・ Diplodactylinae
・ Diplodactylus
・ Diplodactylus steindachneri
・ Diplodactylus vittatus
・ Diplodesma
・ Diplodia


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Diplocraterion : ウィキペディア英語版
Diplocraterion

''Diplocraterion'' is an ichnogenus describing vertical U-shaped burrows having a spreite (weblike construction) between the two limbs of the U.〔〔 The spreite of fainter U-shaped traces appears above and below the final tunnel, made as the organism moved up and down through the sediment.〔 ''Diplocraterion'' is the classic example of an "escape burrow", where the organism moves upward during high-sedimentation rates, creating spreite below it, in order to prevent the burrow entrance from being buried.
==See also==

* Trace fossil
* Ichnology

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「Diplocraterion」の詳細全文を読む



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