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Scalibregma inflatum : ウィキペディア英語版 | Scalibregma inflatum
''Scalibregma inflatum'' (Rathke, 1843) also known as T headed worm, is a burrowing marine polychaete. It is a cosmopolitan species that can be found from the Arctic to Antarctica although most probably several species are confounded. ==Morphology==
Up to 6 cm long with an orange body with 50-60 segments. Body is composed of a wide anterior part of segments 15-17 and a long slim posterior part. Prostomium rectangular shaped with two lateral horns making it appear as a T. Peristomium without chaetae. Parapodia small and oval at first increasing in size from segments 16-18. Four pairs of branching gills dorsally on 2-5 segment with chaetae.
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「Scalibregma inflatum」の詳細全文を読む
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