Template:Randle & Sansom, 2017
- Randle, E. & Sansom, R.S. 2017. Phylogenetic relationships of the ‘higher heterostracans’ (Heterostraci: Pteraspidiformes and Cyathaspididae), extinct jawless vertebrate. Zoological Journal of the Linnean Society 181: 910–926. DOI: 10.1093/zoolinnean/zlx025
