ZSIC - Zoological Survey of India, Kolkata (formerly Calcutta). 27 JL Nehru Road, Klkata, 700 016, India. Formerly Indian Museum.
From Schönberg et al. (2026): "only the main, outer jar is labelled—with ‘Thoosa investigatoris’, as well as with ‘Coppatias (= Jaspis) investigatrix’ ( J. Fromont, pers. comm.)"