單筆石
單筆石（學名：）是筆石綱正筆石目下的一屬筆石，生存於泥盆紀的海洋中[2]，是一種群居性浮游生物。[3]
| 单笔石属 化石时期：早泥盆世 | |
|---|---|
 | |
| Monograptus spiralis | |
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 |
| 科： | †单笔石科 Monograptidae |
| 属： | †单笔石属 Monograptus Geinitz, 1852[1] |
| 種 | |
|
見內文 | |
物種[1]
- Monograptus argenteus
- Monograptus austerus
- Monograptus barrandei
- Monograptus belophorus
- Monograptus bouceki
- Monograptus capis
- Monograptus crispus
- Monograptus difformis
- Monograptus discus
- Monograptus distans
- Monograptus dracocephalus
- Monograptus drepanoformis
- Monograptus firmus
- Monograptus flemingii
- Monograptus flexilis
- Monograptus galaensis
- Monograptus gemmatus
- Monograptus holmi
- Monograptus inopinus
- Monograptus intermedius
- Monograptus jaekeli
- Monograptus kolihai
- Monograptus limatulus
- Monograptus marri
- Monograptus mirificus
- Monograptus münchi
- Monograptus nobilis
- Monograptus novaki
- Monograptus pandus
- Monograptus parapriodon
- Monograptus priodon
- Monograptus pseudocultellus
- Monograptus revolutus
- Monograptus riccartonensis
- Monograptus sartorius
- Monograptus scanicus
- Monograptus sedberghensis
- Monograptus tortilis
- Monograptus uncinatus
- Monograptus undulatus
- Monograptus urceolus
- Monograptus valleculosus
- Monograptus wimani
參考文獻
- . [2017-11-25]. （原始内容存档于2020-10-25） （英语）.
- Gradstein, F. M. et al. ICS on Stage, page 5. Retrieved 2015-06-16.
- Walker, Cyril; Ward, David. . Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 48. ISBN 0789489848.
外部連結
- Monograptus in the Paleobiology Database
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