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질의: Nautilus pompilius pompilius결과: 9번째/11
Palau Nautilus (Nautilus belauensis)
제목: Palau Nautilus (Nautilus belauensis)
올린이: Minho Lee (cokeman@lycos.co.kr)
IMG 6713.jpg
해상도: 1800x1200 파일크기: 399725 Bytes 촬영일: 2007:11:12 12:26:24 사진기: Canon EOS 400D DIGITAL (Canon) F number: f/3.5 Exposure: 1/6 sec Focal Length: 21/1 등록시간: 2008:02:17 12:05:49

Palau Nautilus (Nautilus belauensis)


The Palau Nautilus (Nautilus belauensis) is a species of nautilus native to the waters around the Pacific island nation of Palau. Nautilus belauensis is very similar to Nautilus pompilius and shares with this species a closed umbilicus covered with a callus. It differs on the basis of a modified radula and fine raised ridges across and along the shell, which form a cross-grid texture. N. belauensis is the second largest nautilus after the giant form of Nautilus pompilius pompilius. The shell is usually up to around 210 mm in diameter, although specimens up to 226 mm have been recorded.

Nautilus pompilius pompilius
9/11
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