A genus of the Goniophyllum family of the Tetracorallia subclass. They live singly, not in colonies. The coral body is shaped like an inverted front half of a pointed slipper, with one side flat and the other curved, forming an almost semicircular cross section. Due to this shape, it is also called slipper coral. It is characterized by a semicircular operculum on top. The coral body is generally less than 5 cm in length. It lives from the early to middle Devonian period of the Paleozoic era, and is found all over the world except America, including Europe, Africa, Asia, and Australia. In Japan, coral bodies and operculums have been found in the Devonian strata of Okuhida Onsengo Fukuji, Takayama City, Gifu Prefecture, and the Kitakami Mountains, but the numbers are small. [Fujiyama Ienori] [Reference] | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
四放サンゴ亜綱ゴニオフィルム科の一属。群体をなさず単体で生活する。サンゴ体は、先のとがったスリッパの前半部を倒立させたような形で、側面の一方は平ら、一方は湾曲しており、断面はほぼ半円形をなす。この形からスリッパサンゴともよばれる。上部に半円形の蓋(ふた)をもつことが特徴である。サンゴ体は一般に5センチメートル以下。古生代デボン紀前期から中期にかけて生息し、ヨーロッパ、アフリカ、アジア、オーストラリアなど、アメリカを除く全世界から産出している。日本では、岐阜県高山市奥飛騨温泉郷福地(おくひだおんせんごうふくぢ)と北上山地のデボン系の地層からサンゴ体や蓋が発見されているが、その数は少ない。 [藤山家徳] [参照項目] | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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