Alethopteris

Alethopteris is a genus of fossil seed ferns that existed in the Carboniferous period (around 360 to 300 million years ago).
单词 | Alethopteris |
释义 |
Alethopteris
英语百科
Alethopteris![]() Alethopteris is a genus of fossil seed ferns that existed in the Carboniferous period (around 360 to 300 million years ago).
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