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Chancia (genus) : ウィキペディア英語版 | Chancia (genus) ''For the commune in France, see Chancia.'' ''Chancia'' is an extinct genus of Cambrian trilobite. It was a "fast-moving epifaunal detritivore" from Canada (British Columbia, specifically Burgess Shale, and Newfoundland) and the USA (Idaho, Pennsylvania, Utah, and Vermont).〔Paleobiology Database. ("Chancia", accessed March 27, 2011. )〕 ''Chancia'' was a particle feeder. Its major characteristics are a normal glabella but an enlarged cephalon due to a pre-glabellar field in front of the glabella, as well as developed eye ridges, medium-sized genal spines, and an extremely small pygidium.〔Coppold, Murray and Wayne Powell (2006). ''A Geoscience Guide to the Burgess Shale'', p.57. The Burgess Shale Geoscience Foundation, Field, British Columbia. ISBN 0-9780132-0-4.〕 ==External links==
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「Chancia (genus)」の詳細全文を読む
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