Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Genera in the family or subfamily Microstomatidae: [ 6 ] records

Bathymacrops Gilchrist [J. D. F.] 1922:53 Masc. Bathymacrops macrolepis Gilchrist 1922. Type by monotypy. •Synonym of Nansenia Jordan & Evermann 1896. Current status: Synonym of Nansenia Jordan & Evermann 1896. Microstomatidae.

Euproserpa (subgenus of Microstoma) Fowler [H. W.] 1934:256 Fem. Microstoma schmitti Fowler 1934. Type by original designation (also monotypic). •Synonym of Nansenia Jordan & Evermann 1896. Current status: Synonym of Nansenia Jordan & Evermann 1896. Microstomatidae.

Microstoma Cuvier [G.] 1816:184 Neut. Gasteropelecus microstoma Risso 1810. Type by monotypy (also by absolute tautonymy). Recognition of the Microstomatidae as a family follows Ahlstrom et al. 1984:156 [ref. 13627]. •Valid as Microstoma Cuvier 1816 -- (Cohen 1973:153 [ref. 6589], Cohen in Whitehead et al. 1984:390 [ref. 13675], Ahlstrom et al. 1984:156 [ref. 13627], Cohen 1986:215 [ref. 5646], Paxton et al. 1989:166 [ref. 12442], Kobyliansky 1990:148 [ref. 22788], Carter & Hartel 2003:868 [ref. 27000], Paxton et al. 2006:378 [ref. 28994], Gon & Stewart 2014:55 [ref. 33569], Gon & Stewart 2015:333 [ref. 34242]). Current status: Valid as Microstoma Cuvier 1816. Microstomatidae.

Nansenia Jordan [D. S.] & Evermann [B. W.] 1896:527, 528 Fem. Microstomus groenlandicus Reinhardt 1840. Type by original designation (also monotypic). Type species originally as grönlandicus, correction in spelling mandatory. •Valid as Nansenia Jordan & Evermann 1896 -- (Cohen 1973:153 [ref. 6589], Abe 1976:27 [ref. 7367], Cohen in Whitehead et al. 1984:390 [ref. 13675], Uyeno in Masuda et al. 1984:40 [ref. 6441], Ahlstrom et al. 1984:156 [ref. 13627], Cohen 1986:215 [ref. 5646], Lloris & Rucabado 1985 [ref. 6792], Matallanas 1986 [ref. 6755], Matallanas 1986 [ref. 8077], Paxton et al. 1989:167 [ref. 12442], Kobyliansky 1990:148 [ref. 22788], Gon 1990:105 [ref. 21680], Paxton & Cohen 1999:1885 [ref. 24738], Mecklenburg et al. 2002:147 [ref. 25968], Carter & Hartel 2003:868 [ref. 27000], Paxton et al. 2006:378 [ref. 28994], Lipej & Dulčić 2010:21 [ref. 36649], Mecklenburg et al. 2011:117 [ref. 31212], Parin et al. 2014:109 [ref. 33547], Poulsen 2015:517 [ref. 33965], Gon & Stewart 2015:334 [ref. 34242]). Current status: Valid as Nansenia Jordan & Evermann 1896. Microstomatidae.

Prososcopa Rass [T. S.] 1961:1858 Fem. Prososcopa stilbia Rass 1961. Type by original designation (also monotypic). Genus and species synonymized with Xenophthalmichthys danae Regan by Rass in 1962 [ref. 13631]. Whitley 1970:245 [ref. 6601] based a new family name Prososcopidae on stilbia. •Synonym of Xenophthalmichthys Regan 1925. Current status: Synonym of Xenophthalmichthys Regan 1925. Microstomatidae.

Xenophthalmichthys Regan [C. T.] 1925:59 Masc. Xenophthalmichthys danae Regan 1925. Type by monotypy. •Valid as Xenophthalmichthys Regan 1925 -- (Ahlstrom et al. 1984:156 [ref. 13627], Kobyliansky 1990:148 [ref. 22788], Paxton & Cohen 1999:1884 [ref. 24738], Carter & Hartel 2003:868 [ref. 27000]). Current status: Valid as Xenophthalmichthys Regan 1925. Microstomatidae.