…It has a wide distribution, including the Atlantic Ocean, the Mediterranean Sea, Greenland, Chile, New Zealand, and Japan. Paranebalia longipes is also known from Sagami Bay, Japan. The order Paranebalia (Palaeocarpus) clearly indicates that it is a member of the subclass Malacostraca, which includes higher crustaceans, due to its eight thoracic segments, chewing stomach, and the position of the genital pore. On the other hand, the fact that fossils thought to be close to this class are known from the Cambrian period of the Paleozoic Era, and that it has a fork on its abdomen, as seen in lower crustaceans such as copepods, indicates that it is the most primitive of the Malacostraca. … *Some of the terminology that mentions "Paranebalia longipes" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…大西洋,地中海,グリーンランド,チリ,ニュージーランドおよび日本などにわたる広い分布を示す。ほかに日本からパラネバリア・ロンギペスParanebalia longipesが相模湾から知られている。 コノハエビ目(薄甲目)は8胸節と咀嚼(そしやく)胃をもつことのほか,生殖孔の位置などで,明らかに高等な甲殻類の属する軟甲亜綱の一員であることを表している一方,この類に近いと思われる化石が古生代カンブリア紀から知られていることや,橈脚(じようきやく)類など下等甲殻類に見られるような尾叉(びさ)を腹部にもつことなどは,軟甲亜綱中もっとも原始的であることを示している。… ※「Paranebalia longipes」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 |
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