最終更新日：2024/08/02
(paleontology) The fossil root stem of a coal plant of the genus Sigillaria.
正解を見る
stigmaria
編集履歴（0）
(paleontology) The fossil root stem of a coal plant of the genus Sigillaria.
stigmaria
DiQt（ディクト）
無料
★★★★★★★★★★
