ToL Scientific Contributors for Opisthoteuthis calypso
- Katharina M. Mangold (1922-2003) Laboratoire Arago, Banyuls-Sur-Mer, France (Cephalopoda)
- Michael Vecchione National Museum of Natural History, Washington, D. C. , USA (Cephalopoda)
- Roger Villanueva Instituto de Ciencias del Mar (CSIC), Barcelona, Spain (Cirrata, Opisthoteuthis)
- Richard E. Young University of Hawaii, Honolulu, HI, USA (Cephalopoda, Pterotracheoidea)