Villanueva, Roger (June 2000). "Observations on the behaviour of the cirrate octopod Opisthoteuthis grimaldii (Cephalopoda)". Journal of the Marine Biological Association of the United Kingdom. 80 (3): 555–556. doi:10.1017/S0025315400002307. ISSN1469-7769. S2CID85020724.
Vecchione, Michael (2017). "Notes on cephalopods photographed near the bottom in the Clipperton-Clarion Fracture Zone". Marine Biodiversity. 47 (2): 307–310. doi:10.1007/s12526-016-0528-8. S2CID255576651.
Villanueva, Roger (June 2000). "Observations on the behaviour of the cirrate octopod Opisthoteuthis grimaldii (Cephalopoda)". Journal of the Marine Biological Association of the United Kingdom. 80 (3): 555–556. doi:10.1017/S0025315400002307. ISSN1469-7769. S2CID85020724.
Vecchione, Michael (2017). "Notes on cephalopods photographed near the bottom in the Clipperton-Clarion Fracture Zone". Marine Biodiversity. 47 (2): 307–310. doi:10.1007/s12526-016-0528-8. S2CID255576651.
worldcat.org
Villanueva, Roger (June 2000). "Observations on the behaviour of the cirrate octopod Opisthoteuthis grimaldii (Cephalopoda)". Journal of the Marine Biological Association of the United Kingdom. 80 (3): 555–556. doi:10.1017/S0025315400002307. ISSN1469-7769. S2CID85020724.