Kon, T; Nohara, M, Yamanoue, Y, Fujiwara, Y, Nishida, M, Nishikawa, T (2007). “Phylogenetic position of a whale-fall lancelet (Cephalochordata) inferred from whole mitochondrial genome sequences” . BMC Evolutionary Biology 7: 127. doi : 10.1186/1471-2148-7-127 . http://www.biomedcentral.com/1471-21...