Last Updated：2025/12/03
Sentence
オルドビス紀の頁岩からの、リブリストーマ亜綱に属しハイポストーム（下口板）が遊離している標本は、明確な遊離下口板を示し分類が裏付けられた。
Quizzes for review
The libristomate specimen from the Ordovician shale displayed a clearly detached hypostome, confirming its classification.
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The libristomate specimen from the Ordovician shale displayed a clearly detached hypostome, confirming its classification.
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Related words
libristomate
Adjective
not-comparable
Japanese Meaning
（動物学）三葉虫に関する形容詞。三葉虫で、亜綱Libristomaに属し、切り離された口下部（hypostome）を有するものを指す。
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