Myllokunmingiidae is a group of very early, jawless prehistoric fish (Agnathans) which lived during the Cambrian period.[2] The Myllokunmingiids are the earliest known group of craniates. The group contains only three known genera, Haikouichthys, Myllokunmingia, and Zhongjianichthys. Their fossils have been found only in the Maotianshan Shales lagerstätte.
| Myllokunmingiidae Temporal range: Cambrian Stage 3,
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|---|---|
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| Reconstruction of Haikouichthys | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | †Myllokunmingiida Shu, 2003 |
| Family: | †Myllokunmingiidae Shu, 2003 |
| Species | |
Taxonomy
edit- Order †Myllokunmingiida Shu, 2003[3][4][5]
- Family †Myllokunmingiidae Shu, 2003
- Genus †Haikouichthys Luo, Hu & Shu 1999 sensu Shu et al., 2003
- Species †Haikouichthys ercaicunensis Luo, Hu & Shu 1999 sensu Shu et al., 2003
- Genus †Myllokunmingia Shu, Zhang & Han, 1999
- Species †Myllokunmingia fengjiaoa Shu, Zhang & Han, 1999
- Genus †Zhongjianichthys Shu, 2003
- Species †Zhongjianichthys rostratus Shu, 2003
- Genus †Haikouichthys Luo, Hu & Shu 1999 sensu Shu et al., 2003
- Family †Myllokunmingiidae Shu, 2003
See also
editOther very early vertebrates or transitional between olfactores and vertebrates are:
- Yunnanozoon (Terrenuevian; junior synonym: Haikouella)
- Zhongxiniscus (Cambrian Stage 3)
- Metaspriggina (Middle Cambrian)
- Palaeospondylus (Middle Devonian)
References
edit- ^ Yang, C.; Li, X.-H.; Zhu, M.; Condon, D. J.; Chen, J. (2018). "Geochronological constraint on the Cambrian Chengjiang biota, South China" (PDF). Journal of the Geological Society. 175 (4): 659–666. Bibcode:2018JGSoc.175..659Y. doi:10.1144/jgs2017-103. ISSN 0016-7649. S2CID 135091168.
- ^ Shu, Degan (April 2003). "A paleontological perspective of vertebrate origin". Chinese Science Bulletin. 48 (8): 725–735. Bibcode:2003ChSBu..48..725S. doi:10.1007/BF03187041. S2CID 85163902.
- ^ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 9781118342336.
- ^ van der Laan, Richard; Eschmeyer, William N.; Fricke, Ronald (2014). "Family-group names of Recent fishes". Zootaxa. 3882 (2): 001–230. doi:10.11646/zootaxa.3882.1.1. ISSN 1175-5326. PMID 25543675. S2CID 31014657.
- ^ van der Laan, Richard (2016). "Family-group names of fossil fishes".
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