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After Conway Morris, 1993
<==o "ANNELIDAMORPHA" (nivelmatomaiset) |?- †Wiwaxia corrugata `--+?- †Canadia spinosa |--+-- †AMISKWIIDA | `-- NEMERTEA [Nemertinea] (limamadot) `--+-- LOBATOCEREBRIDA ()? `--+--+-- †BANFFIDA | `-- ECHIURA [Echiuroidea] (tähtimadot) |?- MYZOSTOMIDA (norkomadot) `-- ANNELIDA (nivelmadot)
Conway Morris, S., 1993: The fossil record and early evolution of the Metazoa.
–Nature, vol. 361, 21 January, pp. 219-225
Hou, X. & Bergström, J., 1997: Arthropods of the Lower Cambrian Chengjiang fauna, southwest China.
–Fossils & Strata, Number 45, 22nd December 1997, pp. 1-116
© Mikko Haaramo, / Last updated 2003-02-13 / http://www.mv.helsinki.fi/home/mhaaramo