After Conway Morris, 1993
Alternative phylogeny after Davidson, Peterson & Cameron, 1995
Alternative phylogeny after Shu, Conway Morris, Han, Zhang & Liu, 2004
<==o Deuterostoma (deuterostomes; jälkisuiset) |?- †Vetulicolia Shu, Conway Morris, Han, Chen, Zhang, Zhang, Liu, Li & Liu, 2001 |--+-- Hemichordata Bateson, 1885 [Stomochorda Dawydoff, 1948 in partim] (acorn worms; esiselkäjänteiset) [paraphyletic?] | `-- Chordata (selkäjänteiset) `--+--+-- †Dinomischida | `--+-- †Eldoniida | `--+-- †Rotadiscida | `-- †Paropsonemida `--+-- †Cambroclaves `--+-- †Heterostelea |?-o †Vetulocystida Shu, Conway Morris, Han, Zhang & Liu, 2004 | `--o †Vetulocystidae Shu, Conway Morris, Han, Zhang & Liu, 2004 | |-- †Vetulocystis catenata Shu, Conway Morris, Han, Zhang & Liu, 2004 | `-- †Dianchicystis jianshanensis Shu, Conway Morris, Han, Zhang & Liu, 2004 `--+?- †Homalozoa [Mitrata; Calcichordata; Stylophora; Caroidea] (mitrates and related bizarre deuterostomes) [possibly primitive echinoderms] `-- Echinodermata (Spiny-skinned animals; piikkinahkaiset)
Deuterostomes(?) not treated by Conway Morris (1993):
Xenoturbellida
Xenoturbella Westblad, 1949
X. bocki Westblad, 1949
X. westbladi
Reference(s):
- Bulman, O. M. B., 1955: Part V - Grapholithina, with sections on Enteropneusta and Pterobranchia. xviii-V101.
in Moore, R. C., ed., 1955: Treatise on Invertebrate Paleontology.
–University of Kansas Press and The Geological Society of America, Lawrence, Kansas, 1955. - Conway Morris, S., 1993: The fossil record and early evolution of the Metazoa.
–Nature, vol. 361, 21 January, pp. 219-225 - Davidson, E. H., Peterson, K. J. & Cameron, R. A., 1995: Origin of bilaterian body plans: Evolution of developmental regulatory mechanisms.
–Science: Vol. 270, pp. 1319-1325 - Gee, H., 2001: On being vetulicolian.
–Nature: Vol. 414, pp. 407-408 - Ruta, M., 1999: A cladistic analysis of the anomalocystid mitrates.
–Zoological Journal of the Linnean Society: Vol. 127, pp. 345-421 - Shu, D.-G., Conway Morris, S., Han, J., Chen, L., Zhang, X.-L., Zhang, Z.-F., Liu, H.-Q., Li, Y. & Liu, J.-N., 2001: Primitive deuterostomes from the Chengjiang Lagerstätte (Lower Cambrian, China).
–Nature: Vol. 414, pp. 419-424 - Shu, D.-G., Conway Morris, S., Han, J., Zhang, Z.-F. & Liu, J.-N., 2004: Ancestral echinoderms from the Chengjiang deposits of China.
–Nature: Vol. 430, pp. 422-428 - Shu, D.-G., Conway Morris, S., Zhang, X.-L., Chen, L., Li, Y. & Han, J., 1999: A pipiscid-like fossil from the Lower Cambrian of south China.
–Nature: Vol. 400, pp. 746-749 - –iNet: The Tree of Life Project: http://tolweb.org/
