Crassinarke Takagi [K.] 1951:27 Fem. Crassinarke dormitor Takagi 1951. Type by original designation (also monotypic). •Valid as Crassinarke Takagi 1951 -- (Nakaya in Masuda et al. 1984:12 [ref. 6441], Compagno 1999:487 [ref. 25589]). •Synonym of Narke Kaup 1826 -- (Compagno & Heemstra 2007:43 [ref. 29194]). Current status: Synonym of Narke Kaup 1826. Narkidae.