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Chiton olivaceus : ウィキペディア英語版 | Chiton olivaceus
''Chiton olivaceus'', the Green Chiton, is a species of chiton, a marine polyplacophoran mollusk in the family Chitonidae, the typical chitons.〔 URMO: UNESCO-IOC Register of Marine Organisms. Land J. van der (ed) 〕〔( WoRMS ) 〕 ==Description== ''Chiton olivaceus'' can reach a length of and a width of about . These large chitons have carinate plates with strongs ribs. The shell is oblong and oval. In the front and rear plates ribs have a radial pattern. The intermediate valves show a sharp beak and rounded sutural plates. Colors are very variable, ranging from olive-gray (hence the common name) to yellow-brown, sometimes black, orange, red or yellow. The girdle surrounding all of the valves is quite large and covered by bristles and scales. 〔 (Mondo Marino ) 〕〔(Area Marina di Portofino ) 〕〔(Wildlife Archipelago ) 〕 The teeth of these grazers of algae 〔 D. I. MacKinnon,Daphne E. Lee,J. D. Campbell ( Brachiopods Through Time ) 〕 are composed of magnetite, the hardest material usable by a living being.
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「Chiton olivaceus」の詳細全文を読む
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