Quaranta, K.L., Didier, D.A., Long, D.J. and Ebert, D.A. 2006. A new species of chimaeroid, Hydrolagus alphus sp. nov. (Chimaeriformes: Chimaeridae) from the Galapagos Islands. Zootaxa. 1377, 1 (Dec. 2006), 33–45. DOI:https://doi.org/10.11646/zootaxa.1377.1.3.