Abrotocrinus
Abrotocrinus is an extinct genus of crinoids.
This genus is known in the fossil records of the Carboniferous period of United States and Canada(age range: 353.8 to 345.0 million years ago).
单词 | Abrotocrinus |
释义 |
Abrotocrinus
英语百科
AbrotocrinusAbrotocrinus is an extinct genus of crinoids. This genus is known in the fossil records of the Carboniferous period of United States and Canada(age range: 353.8 to 345.0 million years ago).
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