Margrethia Jespersen [P.] & Tåning [A. V.] 1919:222 Fem. Margrethia obtusirostra Jespersen & Tåning 1919. Type by original designation (also monotypic). •Valid as Margrethia Jespersen & Tåning 1919 -- (Witzell 1973:119 [ref. 7172], Weitzman 1974:472 [ref. 5174], Badcock in Whitehead et al. 1984:301 [ref. 13675], Ahlstrom et al. 1984:185 [ref. 13643], Fujii in Masuda et al. 1984:46 [ref. 6441], Schaefer et al. 1986:252 [ref. 5709], Paxton et al. 1989:186 [ref. 12442], Harold 1998:715 [ref. 24431], Harold 1999:1898 [ref. 24741], Miya & Nishida 2000:385 [ref. 24454], Harold 2003:883 [ref. 27001], Paxton et al. 2006:421 [ref. 28995], Kenaley & Stewart 2015:432 [ref. 34248], Fricke et al. 2018:65 [ref. 35805]). Current status: Valid as Margrethia Jespersen & Tåning 1919. Gonostomatidae.