2 literature references for Heteroteuthis tenera Verrill, 1880:

Author: Verrill, A. E.
Year: 1880
Title: Notice of the remarkable marine fauna occupying the outer banks off the southern coast of New England
Source: American Journal of Science, (series 3) 20 (41)
Author: Steenstrup, J.
Year: 1887
Title: Notae Teuthologicae, 7
Source: Oversigt over det Kongelige Danske Videnskabernes Selskabs Forhandlinger, 1887