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Clypeaster australasiae : ウィキペディア英語版 | Clypeaster australasiae
''Clypeaster australasiae'', the Australasian sand dollar, is a species of sea urchins of the Family Clypeasteridae. Their armour is covered with spines. Clypeaster australasiae was first scientifically described in 1851 by Gray.〔Kroh, A. (2010). ''Clypeaster australasiae'' (Gray, 1851). In: Kroh, A. & Mooi, R. (2010) (World Echinoidea Database ). at the World Register of Marine Species. 〕 ''Clypeaster australaiae'' is a dark red-brown to cream coloured animal with a slightly convex upper surface and distinct markings in a flower-petal pattern. The surface of the test is covered by a dense mat of small spines and tubercles.〔 ==Habitat== Silt, sand and reef to 130m depth. The animals can be abundant in some areas, but are not often seen as they usually bury themselves in the sediment and prefer deeper water.〔
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「Clypeaster australasiae」の詳細全文を読む
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