Ernesto Campos, Alma Rosa de Campos & Jesús Angel de León-González (2009). "Diversity and ecological remarks of ectocommensals and ectoparasites (Annelida, Crustacea, Mollusca) of echinoids (Echinoidea: Mellitidae) in the Sea of Cortez, Mexico". Parasitology Research. Quyển 105 số 2. tr. 479–487. doi:10.1007/s00436-009-1419-8. PMID19337754.
Ernesto Campos, Alma Rosa de Campos & Jesús Angel de León-González (2009). "Diversity and ecological remarks of ectocommensals and ectoparasites (Annelida, Crustacea, Mollusca) of echinoids (Echinoidea: Mellitidae) in the Sea of Cortez, Mexico". Parasitology Research. Quyển 105 số 2. tr. 479–487. doi:10.1007/s00436-009-1419-8. PMID19337754.