Chordata

Unranked c

Taxonomic relationships of Chordata

Tunicata belongs to Chordata - Dineley and Metcalf (1999)
Vertebrata belongs to Chordata - Donoghue and Smith (2001)
Undichna belongs to Chordata - Soler-Gijón and Mora (2001)
Metaspriggina belongs to Chordata - Bambach et al. (2007)
Pikaia belongs to Chordata - Bambach et al. (2007)
Olfactores belongs to Chordata - Edgecombe et al. (2011)
Chordata belongs to Deuterostomia - Nielsen (2012)
Urochordata belongs to Chordata - Nielsen (2012)
Cephalochordata belongs to Chordata - Nielsen (2012)