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Words near each other
・ Coelorhyncidia
・ Coelorhyncidia elathealis
・ Coelorhyncidia flammealis
・ Coelorhyncidia nitidalis
・ Coelorhyncidia ovulalis
・ Coelorhyncidia purpurea
・ Coelorhyncidia trifidalis
・ Coelorinchus
・ Coelorinchus asteroides
・ Coelorinchus kishinouyei
・ Coelorinchus longissimus
・ Coelorinchus sheni
・ Coelorrhina
・ Coelorrhina hornimani
・ Coelosaurus antiquus
Coeloscleritophoran
・ Coelosimilia
・ Coelospermum
・ Coelospermum reticulatum
・ Coelosphaeriaceae
・ Coelostathma
・ Coelostathma binotata
・ Coelostathma caerulea
・ Coelostathma cocoana
・ Coelostathma contigua
・ Coelostathma continua
・ Coelostathma discopunctana
・ Coelostathma immutabilis
・ Coelostathma insularis
・ Coelostathma parallelana


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

The Coelosclerithophorans are a polyphyletic group of organisms bearing hollow sclerites made of aragonite, and with an allegedly distinctive microstructure.
Their skeletons may be homologous to those of the molluscs, and ''Halkieria'' looks very much like a polyplacophoran. The shells of this group and the molluscs appear to have originated in the same fashion.〔 However, there are several reasons to doubt this relationship, many of which may not pass muster.
There are two groups within the coeloscleritophorans: the Sachitids, to which ''Halkieria'' and ''Wiwaxia'' belong, and the Chancellorids. The Ediacaran fossil ''Ausia'' has been touted as an ancestral 'intermediate' between both of these groups.
These are common constituents of Lower Cambrian small shelly fossil assemblages.
==References==


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「Coeloscleritophoran」の詳細全文を読む



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