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・ Euclides (crater)
・ Euchrysops malathana
・ Euchrysops mauensis
・ Euchrysops migiurtiniensis
・ Euchrysops nandensis
・ Euchrysops nilotica
・ Euchrysops osiris
・ Euchrysops philbyi
・ Euchrysops reducta
・ Euchrysops sagba
・ Euchrysops sahelianus
・ Euchrysops severini
・ Euchrysops subpallida
・ Euchrysops unigemmata
・ Eucidaris
Eucidaris metularia
・ Eucidaris thouarsii
・ Eucidaris tribuloides
・ Eucinetidae
・ Eucinostomus
・ Eucinostomus argenteus
・ EUCIP
・ Eucirroedia
・ Eucirroedia pampina
・ Eucithara
・ Eucithara coronata
・ Eucla Basin
・ Eucla cod
・ Eucla Land Division
・ Eucla National Park


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Eucidaris metularia : ウィキペディア英語版
Eucidaris metularia

''Eucidaris metularia'', the ten-lined urchin, is a species of sea urchin in the family Cidaridae. It is found in shallow parts of the Indo-Pacific Ocean and is characterised by its sparse covering of banded, flat-tipped spines.
==Description==
''Eucidaris metularia'' is a primitive species of sea urchin and comes from an ancient lineage that has hardly changed over the past 150 million years. The test is robust and somewhat flattened and up to in diameter. The ambulacra are almost straight and have horizontal pairs of pores. The primary spines are few in number, stout with a truncated tip and distinctively banded. The secondary spines surround the primaries and are more numerous, much smaller and flattened.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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