翻訳と辞書 Words near each other ・ Irregular chess opening ・ Irregular Choice ・ Irregular galaxy ・ Irregular mare patch ・ Irregular matrix ・ Irregular menstruation ・ Irregular military ・ Irregular moon ・ Irregular Records ・ Irregular resolution ・ Irregular sleep–wake rhythm ・ Irregular variable ・ Irregular warfare ・ Irregular Warfare Headquarters ・ Irregular Z-buffer ・ Irregularia ・ Irregularis ・ Irregularities and exceptions in Interlingua ・ Irregularity of a surface ・ Irregularity of distributions ・ Irrel ・ Irrel (Verbandsgemeinde) ・ Irrelevant (album) ・ IRrelevant Astronomy ・ Irrelevant ideal ・ Irrelevant speech effect ・ Irreligion ・ Irreligion by country ・ Irreligion in Afghanistan ・ Irreligion in Africa Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Irregularia ： ウィキペディア英語版 Irregularia The Irregularia are an infraclass of sea urchins. == Description and characteristics == These particular sea urchins are distinguished from other sea urchins by their irregular shape : the anus and often even the mouth are no more at the two poles of the test, creating a bilateral symmetry instead of the classical 5-fold symmetry of echinoderms. The group includes the well known heart urchins, as well as flattened sand dollars, sea biscuits and some other forms. Most of them live inside the sediment, movin in thanks to their particular spines, and feed on its organic fraction. Image:Heart urchin Spatangoida 1380049 Nevit.jpg|Test of a spatangoid (oral face) : the mouth is on the right and the anus on the left. Image:Echinocyamus pusillus.jpg|''Echinocyamus pusillus''. Image:Keyhole sand dollar 01.jpg|Test of a ''Mellita quinquiesperforata''. Image:Live Sand Dollar trying to bury itself in beach sand.jpg|A "sand dollar" in its environnement. Image:Clypeaster reticulatus both sides.jpg|''Clypeaster reticulatus'' (family ''Clypeasteridae''). Image:Encope emarginata (Leske, 1778) derivate 2013.jpg|''Encope emarginata'' (aboral and oral faces) drawn by Ernst Haeckel (1904). Image :Clypeaster rosaceus (Linnaeus, 1758) derivate 2013.jpg|''Clypeaster rosaceus'', ''ibid''. Image:Clypeaster aegypticus (inside).JPG|Many slices of a ''Clypeaster aegypticus'', showing buttresses and pillars. 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「Irregularia」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.