MolluscaBase (2018).
Opisthoteuthis agassizii Verrill, 1883. Accessed through: Glover, A.G., Higgs, N., Horton, T. (2018) World Register of Deep-Sea species (WoRDSS) at: http://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=140652 on 2019-02-18
Glover, A.G., Higgs, N., Horton, T. (2019). World Register of Deep-Sea species (WoRDSS).
Opisthoteuthis agassizii Verrill, 1883. Accessed at: http://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=140652 on 2019-02-18