最終更新日：2024/08/02

(paleontology) One of an extinct family of cryptogamous trees, including the genus Sigillaria and its allies.

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sigillarid

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sigillarid

noun

(paleontology) One of an extinct family of cryptogamous trees, including the genus Sigillaria and its allies.

The sigillarid is a type of ancient marine reptile.

意味（1）

(paleontology) One of an extinct family of cryptogamous trees, including the genus Sigillaria and its allies.