original description
(of Drepanopsis frigidus Wolfenden, 1911) Wolfenden, R.N. (1911). Die marinen Copepoden der Deutschen Südpolar Expedition 1901-1903. II. Die pelagischen Copepoden der Westwinddrift und des südlichen Eismeers met Beschreibung mehrerer neuer Arten aus dem Atlantischen Ozean. Deutsche Südpolar-Expedition 1901-1903 12(Zoologie 4)(4):181-380, pls. 22-41, figs. 1-82. [details]
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
context source (Bermuda)
Deevey, G.B. & A.L. Brooks. (1977). Copepods of the Sargasso Sea off Bermuda: species composition, and vertical and seasonal distribution between the surface and 2000 m. Bulletin of Marine Science 27(2):256-291, figs. 1-14, tabs. 1-7. (iv-1977) [details] Available for editors
additional source
Grice, G.D. & K. Hulsemann. (1967). Bathypelagic calanoid copepods of the western Indian Ocean. <em>Proceedings of the United States National Museum.</em> 122(3583):1-67, figs. 1-319., available online at https://doi.org/10.5479/si.00963801.122-3583.1 [details] Available for editors
additional source
Wilson, C.B. (1950). Copepods gathered by the United States Fisheries Steamer 'Albatross' from 1887 to 1909, chiefly in the Pacific Ocean. Bulletin of the United States National Museum 100(14)(4):i-ix, 141-461, pls. 2-36. [details] Available for editors
additional source
Suárez-Morales, E., J.W. Fleeger & P.A. Montagna. (2009). Free-living Copepoda (Crustacea) of the Gulf of Mexico. <em>In: Felder, D. L. & D.K. Camp [Eds]. Gulf of Mexico: origin, waters, and biota. Volume 1, Biodiversity. Texas A&M University Press, 1393 pp.</em> Chapter pagination: 841-869. [details] Available for editors
additional source
Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
ecology source
Brun, P., M.R. Payne & T. Kiørboe. (2017). A trait database for marine copepods. <em>Earth System Science Data.</em> 9(1):99-113., available online at https://doi.org/10.5194/essd-9-99-2017 [details] Available for editors