Teredinidae

...They are widely distributed along the continental coasts from Sakhalin to Kyushu, and from Siberia to China, and are often found in inland bays and other waters with slightly lower salinity. Twenty species of the Teredinidae family have been recorded in Japan. The eight-legged shipworm Lyrodus pedicellatus is also common in Japan, and half of the tip of its tail plug is covered with black-brown skin.

*Some of the terminology that mentions "Teredinidae" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…サハリンから九州，またシベリアから中国まで大陸沿岸に広く分布し，内湾など多少塩分の低い海域に多い。　フナクイムシ科Teredinidaeは日本から20種が記録されている。ヤツフナクイムシLyrodus pedicellatusも日本にふつうで，尾栓の先端の半分が黒褐色の皮をかむっている。…

※「Teredinidae」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報