均分笔石科
均分笔石科（学名：Dichograptidae）是正笔石目下的一个科。
均分笔石科 | |
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科学分类  | |
| 界： | 动物界 Animalia |
| 门： | 半索動物門 Hemichordata |
| 纲： | 羽鳃纲 Pterobranchia |
| 目： | †正笔石目 Graptoloidea |
| 亚目： | †均分笔石亚目 Dichograptina |
| 科： | †均分笔石科 Dichograptidae |
| 属 | |
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见正文 | |
下属分类
本科包括以下属：[1]
- 均分笔石属 Dichograptus Hall, 1865
- 對筆石屬 Didymograptus McCoy, 1851，對筆石
- 外擴筆石屬 Expansograptus Boucek & Pribyl, 1953，外擴筆石
- Hemigoniograptus Jin & Wang, 1977
- Holograptus Holm, 1882
- Jenkinsograptus Guiterrez Marco, 1988
- Kellamograptus Rickards & Chapman, 1991
- 勞氏筆石屬 Loganograptus Hall, 1868，勞氏筆石
- Meandrograptus
- Metazygograptus Obut & Sennikov, 1984
- Mimograptus Harris & Thomas, 1940
- Minograptus
- Norvegiograptus Li, Feng, Wang & Chen, 2014
- Orthodichograptus Thomas, 1973
- Pendeograptus Boucek & Pribyl, 1953
- Pendeosalicograptus Jiao, 1981
- Praegoniograptus Rickards & Chapman, 1991
- Procardiograptus Xiao, Xia & Wang, 1985
- Proncograptus Xiao, Xia & Wang, 1985
- Pseudobryograptus Mu, 1957
- Pseudophyllograptus Cooper & Fortey, 1982
- Pterograptus Holm, 1881
- Schizograptus Nicholson, 1876
- Taishanograptus Li & Ge, 1987
- Temnograptus Nicholson, 1876
- 四筆石屬 Tetragraptus Salter, 1863，四筆石
- Triaenograptus Hall, 1914
- Tridensigraptus Zhao, 1964
- Tristichograptus Jackson & Bulman, 1970
- Trochograptus Holm, 1881
- Zygograptus Harris & Thomas, 1941
参考文献
- . GBIF. [2022-12-29]. （原始内容存档于2022-12-29）.
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