Ebert, D. A., & van Hees, K. E. (2018). Etmopterus marshae sp. nov, a new lanternshark (Squaliformes: Etmopteridae) from the Philippine Islands, with a revised key to the Etmopterus lucifer clade. Zootaxa, 4508(2), 197–210. https://doi.org/10.11646/zootaxa.4508.2.3