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单词 Monograptus
释义

Monograptus

英语百科

Monograptus

Monograptus is a genus of the Order Graptoloidea. This particular genus is the last stage of the graptoloid evolution before its extinction in the early Devonian. A characteristic of the genus includes one uniserial stipe with very elaborate thecae. This particular genus contains large number of graptolite species and may not be monophyletic.

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更新时间:2025/6/19 11:23:26