Haikouichthys
| Haikouichthys | |
|---|---|
 | |
| Sailkapen zientifikoa | |
| Erreinua | Animalia |
| Filuma | Chordata |
| Ordena | Myllokunmingiida |
| Familia | Myllokunmingiidae |
| Generoa | Haikouichthys [[|]] |
Haikouichthys (grezieraz: Haikouko arraina; Ιχθυο, arraina) duela 535 eta 520 milioi urte inguru, Kanbriarreko eztandan, bizi izan zen kraniatu-genero desagertua da. Garezur definitu bat eta beste ezaugarri batzuk zituen, zeinei esker benetako garezurdun ornodun gisa sailkatu ahal izan da; lehen, arrain gisa ere ezagun egin zen, baina ez ditu ezaugarri guztiak arrainen taldean sartzeko.[1][2]
Behe Kanbriarrean bizi izan zen eta Maotianshaneko eskistoetan aurkitu zuten Qiongzhusi Formazioan, Eoredlichia eremuan, Haikoutik gertu, Ercaicunen, Kunmingen (Yunnan, Txina).[1]
Erreferentziak
- ↑ a b Shu, D. G.; Morris, S. C.; Han, J.; Zhang, Z. F.; Yasui, K.; Janvier, P.; Chen, L.; Zhang, X. L. et al.. (Jan de 2003). «Head and backbone of the Early Cambrian vertebrate Haikouichthys» Nature 421 (6922): 526–529. doi:. ISSN 0028-0836. PMID 12556891..
- ↑ Donoghue, P.C.J.; Purnell, M.A.. (2005). «Genome duplication, extinction and vertebrate evolution» Trends in Ecology & Evolution 20 (6): 312–319..
Kanpo estekak
| Autoritate kontrola |
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Datuak: Q285132
Multimedia: Myllokunmingia / Q285132
Espezieak: Haikouichthys
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