53934 Etmopterus pycnolepis Kotlyar, 1990 Etmopteridae Lantern sharks Squaliformes Elasmobranchii Dense-scale lantern shark Southeastern Pacific: Nazca and Sala y Gomez submarine ridges FB 2743339 Etmopterus pycnolepis 350 m FISH 1557190 1979 Etmopterus pycnolepis 410 - 760 m FISH 1557189 1979 Etmopterus pycnolepis 410 - 760 m FISH 1557188 1979 Etmopterus pycnolepis 410 - 760 m FISH 1556878 1979 Etmopterus pycnolepis 410 - 760 m ISH 4-1989 1987 Etmopterus pycnolepis 580 - 564 m