May'ada lahos 22,000 nabubuhi na species an annelida,[4][5] tikang sa microscopic na kadito tubtob sa dagko na Australian giant Gippsland earthworm ngan Amynthas mekongianus (Cognetti, 1922), na natubo hasta 3 metros an kahilaba.[5][6][7] Bisan kun an mga research tikang 1997 nagliwat san panan'aw san mga syentipiko hiunung san evolutionary family tree san mga annelida,[8][9] kadam'an sa mga libro nasunod pa gihapon san tradisyunal na klasipikasyon sa mga nasunod na grupo:[6][10]
An kladograma hini sumala ha Catalogue of Life[2]:
- ↑ Dictionary.com Unabridged: Annelida. Based on the Random House Dictionary, Random House, Inc., 2009.
- ↑ 2.0 2.1 Ipakita an sayop: Invalid
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- ↑ Annelids - UWI St. Augustine
- ↑ 4.0 4.1 Ipakita an sayop: Invalid
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- ↑ 5.0 5.1 5.2 Blakemore, R.J. (2012). Cosmopolitan Earthworms. VermEcology, Yokohama..
- ↑ 6.0 6.1 6.2 6.3 Ipakita an sayop: Invalid
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- ↑ Lavelle, P. (July 1996). "Diversity of Soil Fauna and Ecosystem Function" (PDF). Biology International. 33. Ginkuhà 2009-04-20.
- ↑ Ipakita an sayop: Invalid
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- ↑ Ipakita an sayop: Invalid
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- ↑ Ipakita an sayop: Invalid
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