Law, C. J., Dorgan, K. M. and Rouse, G. W. (2013) “Validation of three sympatric Thoracophelia species (Annelida: Opheliidae) from Dillon Beach, California using mitochondrial and nuclear DNA sequence data”, Zootaxa. Auckland, New Zealand, 3608(1), pp. 67–74. doi: 10.11646/zootaxa.3608.1.4.