Spiralia
| Spiralia | |
|---|---|
| |
Klasifikasi ilmiah 
| |
| Kerajaan: | Animalia |
| Subkerajaan: | Eumetazoa |
| Klad: | ParaHoxozoa |
| Klad: | Bilateria |
| Klad: | Nephrozoa |
| (tanpa takson): | Protostomia |
| (tanpa takson): | Spiralia sensu Edgecombe et al. 2011 |
| Klad | |
Spiralia adalah sebuah klad dari hewan protostomia, termasuk moluska, annelida, platyhelminthes dan masih banyak lagi.[1] Istilah Spiralia dipakai untuk mengelompokkan hewan yang melakukan pembelahan spiral saat menjadi embrio.[2]
Distribusi spiralia lintas filogeni
Spesies dari moluska, annelida, platyhelminthes dan nemertea menunjukkan pembelahan spiral di bentuk umumnya. Spiralia lainnya (rotifera, brakiopoda, phoronida, gastrotricha, dan bryozoa) juga dikatakan menunjukkan pembelahan spiral, meskipun jarang dilakukan.[3]
Referensi
- ^ Giribet G (April 2008). "Assembling the lophotrochozoan (=spiralian) tree of life". Philos. Trans. R. Soc. Lond. B Biol. Sci. 363 (1496): 1513–22. doi:10.1098/rstb.2007.2241. PMC 2614230. PMID 18192183.
- ^ "Explanations.html". Diarsipkan dari asli tanggal 2013-02-07. Diakses tanggal 2009-06-28.
- ^ Hejnol, A. (4 August 2010). "A Twist in Time—The Evolution of Spiral Cleavage in the Light of Animal Phylogeny". Integrative and Comparative Biology. 50 (5): 695–706. doi:10.1093/icb/icq103. PMID 21558233.
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