yangi, Paramyxine Teng [H.-T.] 1958:3 [Chinese Fisheries No. 66; ref. 19565] Fish market, Kaohsiung, southwestern Taiwan. Holotype: TFRI 103529. Paratypes: (7) TFRI 103423 (1, drawing), 103510-13 (4), 103528 (1), 103530 (1). Type catalog: Ho & Shao 2011:17 [ref. 31432]. •Valid as Paramyxine yangi Teng 1958 -- (Kuo et al. 1994:132 [ref. 21435], Kuo & Mok 1999:89 [ref. 23992], Mok & Chen 2001:236 [ref. 25664], Kuo et al. 2010:856 [ref. 31001], Knapp et al. 2011:405 [ref. 37507]). •Valid as Quadratus yangi (Teng 1958) -- (Mok et al. 2001:1031 [ref. 25820], McMillan & Wisner 2004:65 [ref. 27692]). •Valid as Eptatretus yangi (Teng 1958) -- (Fernholm 1991:117 [ref. 20219], Fernholm 1998:34 [ref. 23976], Fernholm & Quattrini 2008:126 [ref. 29539] on placement of Quadratus, Ho & Shao 2011:17 [ref. 31432], Song & Kim 2020:88 [ref. 37441]). Current status: Valid as Eptatretus yangi (Teng 1958). Myxinidae: Eptatretinae. Distribution: Western Pacific: Taiwan and South China Sea. Habitat: marine.