perissodon, Heteroconger Böhlke [J. E.] & Randall [J. E.] 1981:377, Figs. 1D, 4B, 5 right, 7 [Bulletin of Marine Science v. 31 (no. 2); ref. 8631] Off Dumaguete City pier, Negros, Philippines, depth 10 meters. Holotype: BPBM 21017. Paratypes: ANSP 136746 (1, anterior portion, c&s), 142731 (1); BPBM 18543 (1); CAS 45889 (1); MNHN 1980-1190 (1); USNM 221380 (1); WAM P.26788-001 (1). Type catalog: Böhlke 1984:65 [ref. 13621], Hutchins & Smith 1991:7 [ref. 19335], Bauchot et al. 1993:115 [ref. 20810], Smith 1994:8 [ref. 21917]., Moore et al. 2008:5 [ref. 30117]. •Valid as Heteroconger perissodon Böhlke & Randall 1981 -- (Smith 1989:485 [ref. 13285], Allen 1997:58 [ref. 23977], Castle & Randall 1999:24 [ref. 24042], Smith 1999:1686 [ref. 24661], Smith in Randall & Lim 2000:586 [ref. 25122], Allen & Adrim 2003:24 [ref. 26830], Allen & Erdmann 2010:136 [ref. 30467], Allen & Erdmann 2012:118 [ref. 31980], Allen et al. 2020:15 [ref. 37319], Habib & Islam 2020:Supplementary table p. 5 [ref. 38321]). Current status: Valid as Heteroconger perissodon Böhlke & Randall 1981. Congridae: Heterocongrinae. Distribution: Eastern Indian Ocean, western Pacific: Andaman Islands, Indonesia and Philippines. Habitat: marine.