Tiratha Raj Singh, Georgia Tsagkogeorga, Frédéric Delsuc, Samuel Blanquart, Noa Shenkar, Yossi Loya, Emmanuel JP Douzery and Dorothée Huchon

BMC Genomics. 2009 Nov 17;10:534. doi: 10.1186/1471-2164-10-534

Tunicate mitogenomics and phylogenetics: peculiarities of the Herdmania momus mitochondrial genome and support for the new chordate phylogeny

The cox2-cytb pair, usually found in tunicates, is separated in the solitary ascidian Herdmania momus.