Zuccon, D. & Ericson, P. G. (2012). „Molecular and morphological evidences place the extinct New Zealand endemic Turnagra capensis in the Oriolidae”. Molecular Phylogenetics and Evolution62 (1), 414–26. o. DOI:10.1016/j.ympev.2011.10.013. PMID22056604.
Boles, Walter E. (1999). „A new songbird (Aves: Passeriformes: Oriolidae) from the Miocene of Riversleigh, northwestern Queensland, Australia”. Alcheringa (journal)23 (1), 51–56. o. DOI:10.1080/03115519908619338.
Zuccon, D. & Ericson, P. G. (2012). „Molecular and morphological evidences place the extinct New Zealand endemic Turnagra capensis in the Oriolidae”. Molecular Phylogenetics and Evolution62 (1), 414–26. o. DOI:10.1016/j.ympev.2011.10.013. PMID22056604.