A marine fossil animal belonging to the cephalopods of the phylum Mollusca that flourished from the Jurassic to the Cretaceous periods of the Mesozoic era. It is similar to modern squids and cuttlefish. Source: About Shogakukan Digital Daijisen Information | Legend |
中生代ジュラ紀から白亜紀にかけて繁栄した、軟体動物門頭足類に属する海生の化石動物。現生のヤリイカやコウイカに類似。 出典 小学館デジタル大辞泉について 情報 | 凡例 |
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