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Berland، Bjørn (1961). "Copepod Ommatokoita elongata (Grant) in the eyes of the Greenland shark—a possible cause of mutual dependence". Nature. ج. 191 ع. 4790: 829–30. Bibcode:1961Natur.191..829B. DOI:10.1038/191829a0.
nih.gov
pubmed.ncbi.nlm.nih.gov
Benz، George W.؛ Borucinska، Joanna D.؛ Lowry، Lloyd F.؛ Whiteley، Herbert E. (2002). "Ocular lesions associated with attachment of the copepod Ommatokoita elongata (Lernaeopodidae: Siphonostomatoida) to corneas of Pacific sleeper sharks Somniosus pacificus captured off Alaska in Prince William Sound". The Journal of Parasitology. ج. 88 ع. 3: 474–81. DOI:10.1645/0022-3395(2002)088[0474:OLAWAO]2.0.CO;2. PMID:12099414.