Stamatiou, L. and Jensen, G.C. 2004. Heptacarpus littoralis Butler a synonym of Heptacarpus sitchensis (Brandt) (Crustacea: Decapoda: Hippolytidae). Zootaxa. 461, 1 (Mar. 2004), 1–4. DOI:https://doi.org/10.11646/zootaxa.461.1.1.