Template:Stockley et al., 2005
- Stockley, B., Smith, A.B., Littlewood, T., Lessios, H.A. & Mackenzie-Dodds, J.A. 2005. Phylogenetic relationships of spatangoid sea urchins (Echinoidea): taxon sampling density and congruence between morphological and molecular estimates. Zoologica Scripta 34(5): 447–468. DOI: 10.1111/j.1463-6409.2005.00201.x