Polychaeta

Polychaeta
Julat masa: Kambria (atau lagi awal?) – kini
Plat bertulis "A variety of marine worms" dalam buku Das Meer karya M. J. Schleiden
Plat bertulis "A variety of marine worms" dalam buku Das Meer karya M. J. Schleiden
Pengelasan saintifikSunting pengelasan ini
Domain: Eukaryota
Alam: Animalia
Filum: Annelida
Kelas: Polychaeta
Grube, 1850
Kumpulan yang termasuk
Dari segi kladistik termasuk tetapi dari segi tradisional taksa dikecualikan

Polychaeta ialah sebuah kelas parafiletik bagi cacing anelid laut,[1] yang dikenali umum sebagai umpun-umpun, pumpun atau polikaet. Setiap segmen badannya mempunyai sepasang unjuran berisi yang dipanggil parapodia yang mempunyai banyak bulu kejur berkitin dipanggil kaetae, sehingga turut dipanggil cacing bulu kejur.

  1. ^ a b Struck, T. H.; Paul, C.; Hill, N.; Hartmann, S.; Hösel, C.; Kube, M.; Lieb, B.; Meyer, A.; Tiedemann, R.; Purschke, G. N.; Bleidorn, C. (2011). "Phylogenomic analyses unravel annelid evolution". Nature. 471 (7336): 95–98. Bibcode:2011Natur.471...95S. doi:10.1038/nature09864. PMID 21368831. S2CID 4428998.

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