2 literature references for Haloptilus angusticeps Sars, 1907:

Author:
Year: 1996
Title:
Source: database, NODC Taxonomic Code
Author: Bradford-Grieve, J. M., E. L. Markhaseva, Carlos Rocha, and Bernardo Abiahy / D. Boltovskoy, ed.
Year: 1999
Title: Copepoda
Source: South Atlantic Zooplankton, vol. 2