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Ivory barnacle : ウィキペディア英語版 | Ivory barnacle ''Amphibalanus eburneus'', the ivory barnacle, is a species of acorn barnacle in the family Balanidae. It occurs on the east coast of North America, the Caribbean Sea and Gulf of Mexico. ==Description== The ivory barnacle is a medium-sized, cone-shaped sessile barnacle with a white test composed of fused plates. It has a diamond-shaped operculum protected by a hinged lid formed from two triangular halves each consisting of two plates, a tergum and a scutum. It can grow to a height of but most individuals are much smaller. This barnacle can be confused with the white bay barnacle (''Balanus improvisus'') but that species is smaller, only growing to a height of . Another similar species is the striped barnacle (''Balanus amphitrite'') but that has vertical pink lines on the test.
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「Ivory barnacle」の詳細全文を読む
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