The Cephalopod. atlas
Jerusalem :Israel Program for Scientific Translations ; Springfield, Va. : available from the U. S. National Technical Information Service,1975.
biodiversitylibrary.org/page/32124187
Description: English: Idioteuthis cordiformis specimen displayed at the Sea World Jakarta. The sample was taken from the Indian Ocean west of Sumatra, 710 m. Date: 23 December 2018. Source: Own work. Author: A. D. Prakasa.