FAMILY Melamphaidae Gill, 1893 - ridgeheads, bigscales [=Melamphainae, Plectromidae] GENUS Melamphaes Gunther, 1864 - ridgeheads [=Metopias, Plectromus] Species Melamphaes acanthomus Ebeling, 1962 - slender bigscale Species Melamphaes contradictorius Kotlyar, 2015 - contradictory ridgehead Species Melamphaes danae Ebeling, 1962 - bigscale Species Melamphaes ebelingi Keene, 1973 - Keene's ridgehead Species Melamphaes eulepis Ebeling, 1962 - eulepis ridgehead Species Melamphaes eurous Kotlyar, 2016 - Kotlyar's ridgehead Species Melamphaes falsidicus Kotlyar, 2011 - falsidicus ridgehead Species Melamphaes hubbsi Ebeling, 1962 - Hubbs' ridgehead Species Melamphaes inconspicuus Kotlyar, 2015 - inconspicuous ridgehead Species Melamphaes indicus Ebeling, 1962 - indica ridgehead Species Melamphaes janae Ebeling, 1962 - Jana's ridgehead Species Melamphaes kobylyanskyi Kotlyar, 2015 - Kobylyansky's ridgehead Species Melamphaes laeviceps Ebeling, 1962 - laeviceps ridgehead Species Melamphaes lentiginosus Kotlyar, 2015 - lentiginosus ridgehead Species Melamphaes leprus Ebeling, 1962 - leprus ridgehead Species Melamphaes longivelis Parr, 1933 - eyebrow bigscale Species Melamphaes lugubris Gilbert, 1890 - highsnout bigscale [=cavernosus] Species Melamphaes macrocephalus Parr, 1931 - Parr's ridgehead Species Melamphaes manifestus Kotlyar, 2011 - manifest ridgehead Species Melamphaes microps (Gunther, 1878) - Gunther's ridgehead Species Melamphaes nikolayi Kotlyar, 2012 - Nikolay's ridgehead Species Melamphaes occlusus Kotlyar, 2012 - occlusus ridgehead Species Melamphaes pachystomus Kotlyar, 2011 - pachystomus ridgehead Species Melamphaes papavereus Kotlyar, 2016 - papavereus ridgehead Species Melamphaes parini Kotlyar, 1999 - Parin's ridgehead Species Melamphaes parvus Ebeling, 1962 - little bigscale Species Melamphaes polylepis Ebeling, 1962 - polylepis ridgehead Species Melamphaes proximus Kotlyar, 2015 - proximus ridgehead Species Melamphaes pumilus Ebeling, 1962 - pumilus ridgehead Species Melamphaes scherbachevi Kotlyar, 2015 - Scherbachev's ridgehead Species Melamphaes simus Ebeling, 1962 - ridgehead Species Melamphaes spinifer Ebeling, 1962 - spinifer ridgehead Species Melamphaes suborbitalis (Gill, 1883) - shoulderspine bigscale Species Melamphaes succedanaus Kotlyar, 2015 - succedanaus ridgehead Species Melamphaes typhlops (Lowe, 1843) - typhlops ridgehead [=crassicauda] Species Melamphaes xestoachidus Kotlyar, 2011 - xestoachidus ridgehead GENUS Poromitra Goode & Bean, 1883 - ridgeheads [=Lophocephalus, Poromitrella] Species Poromitra agafonovae Kotlyar, 2009 - agafonavae ridgehead Species Poromitra atlantica (Norman, 1929) - South Atlantic ridgehead Species Poromitra capito Goode & Bean, 1883 - capito ridgehead [=anthrax triceratops] Species Poromitra coronata (Gilchrist & von Bonde, 1924) - coronata ridgehead Species Poromitra crassa Parin & Ebeling, 1980 - crassa ridgehead Species Poromitra crassiceps (Gunther, 1878) - crested bigscale Species Poromitra cristiceps (Gilbert, 1890) - cristiceps ridgehead Species Poromitra curilensis Kotlyar, 2008 - Kurile ridgehead Species Poromitra decipiens Kotlyar, 2008 - dicepiens ridgehead Species Poromitra frontosa (Garman, 1899) - frontosa ridgehead Species Poromitra gibbsi Parin & Borodulina, 1989 - Gibbs' ridgehead Species Poromitra glochidiata Kotlyar, 2008 - Bight ridgehead Species Poromitra indooceanica Kotlyar, 2008 - indooceanica ridgehead Species Poromitra jucunda Kotlyar, 2010 - jucunda ridgehead Species Poromitra kukuevi Kotlyar, 2008 - Kukuev's ridgehead Species Poromitra macrophthalma (Gilchrist, 1903) - Gilchrist's ridgehead Species Poromitra megalops (Lutken, 1878) - Lutken's ridgehead Species Poromitra nigriceps (Zugmayer, 1911) - Zugmayer's ridgehead Species Poromitra nigrofulva (Garman, 1899) - nigrofulvus ridgehead Species Poromitra oscitans Ebeling, 1975 - yawning Species Poromitra rugosa (Chapman, 1939) - rugosa ridgehead Species Poromitra unicornis (Gilbert, 1905) - unicorn ridgehead GENUS Scopeloberyx Zugmayer, 1911 - ridgeheads Species Scopeloberyx bannikovi Kotlyar, 2004 - Bannikov's ridgehead Species Scopeloberyx malayanus (Weber, 1913) - malayanus ridgehead [=balushkini] Species Scopeloberyx maxillaris (Garman, 1899) - maxillaris ridgehead Species Scopeloberyx microlepis (Norman, 1937) - Southern bigscale Species Scopeloberyx opisthopterus (Parr, 1933) - opisthopterus ridgehead Species Scopeloberyx pequenoi Kotlyar, 2004 - Pequeno's ridgehead Species Scopeloberyx robustus (Gunther, 1887) - longjaw bigscale [=nigrescens, nycterinus, opercularis] Species Scopeloberyx rossicus Kotlyar, 2004 - rossicus ridgehead Species Scopeloberyx rubriventer (Koefoed, 1953) - rubriventer ridgehead GENUS Scopelogadus Vaillant, 1888 - ridgeheads Species Scopelogadus beanii (Gunther, 1887) - Bean's bigscale [=crassiceps, eurylepis] Species Scopelogadus bispinosus (Gilbert, 1915) - twospine bigscale Species Scopelogadus mizolepis (Gunther, 1878) - ragged bigscale [=cocles] Species Scopelogadus unispinis Ebeling & Weed, 1963 - onespine ridgehead GENUS Sio Moss, 1962 - ridgeheads Species Sio nordenskjoldii (Lonnberg, 1905) - Nordenskjold's bigscale