ساكنات قديمة

ساكنات قديمة; Temporal range: Cambrian
التصنيف الفهمي
مملكة:	المملكة الحيوانية
Superphylum:	?Deuterostomia
Phylum:	الساكنات القديمة; Shu, et al. 2001
Classes
	Vetulicolida; Banffozoa; Heteromorphida; ? Yunnanozoa ; ? Yuyuanozoon ;

الساكنات القديمة بالإنگليزية: Vetulicolia (بالاتينية: vetuli (فيتولي)= قديم + cola (كولا) = ساكن) هي شعبة منقرضة. تضم مختلق كائنات العصر الكامبري

تصنيف

^ Shu, D.G.; Conway Morris, S., Han, J., Chen, L., Zhang, X.-L., Zhang, Z.-F., Liu, H.-Q., Li, Y., and Liu, J.-N. (2001), "Primitive Deuterostomes from the Chengjiang Lagerstätte (Lower Cambrian, China)", Nature 414: 419–424, doi:10.1038/35106514, http://www.paper.edu.cn/project/nwu1/nwu1-4.pdf
^ Caron, (2005-2006), Bannfia constricta, a putative vetulicolid from the Middle Cambrian Burgess Shales [1]
^ Chen, Feng, Ma, Li, (2003), A New Vetulicolian from the Early Cambrian Chengjiang Fauna in Yunnan of China Acta Geologica Sinica

Briggs, D., Lieberman, B., Halgedahl, S. and Jarrard, R. (2005), A new metazoan from the Middle Cambrian of Utah and the nature of Vetulicolia. Palaeontology 48: 681-686.
Shu, Degan. 2003. A paleontological perspective of vertebrate origin. Chinese Science Bulletin, Vol. 48 No.ثمانية 725-735. April, 2003. [2] - URL retrieved June 22, 2006
Dominguez, Patricio and Jeffries, Richard. (2003). Fossil evidence on the origin of appendicularians. Paper read at International Urochordate Meeting 2003. Abstract at [3] - URL retrieved June 22, 2006

New phylum on the block - Accessed January 3, 2008
Once We Were Worms
Photos and drawings of fossils of various Vetulicolians - Accessed January 3, 2008