Subfamily Triakinae Gray 1851
Mustelini Bonaparte 1835:[4] [ref. 32242] (subfamily) Mustelus Linck [genus inferred from the stem, Article 11.7.1.1; senior objective synonym of Emissolidae Whitley 1940; preoccupied in mammals, invalid, Article 55.3]
Scylliodontes Müller & Henle 1838 –41:XVI, 63 [ref. 3069] (family)? Triakis [latinized to Scylliodontidae by Richardson 1846:195 [ref. 3742]; no stem of the type genus, not available, Article 11.7.1.1]
Triakiana Gray 1851:55 [ref. 4939] (tribe) Triakis [stem changed to Triak- by White 1936a:4 [ref. 31933], confirmed by Nelson 1976:36 [ref. 32838] and by Nelson 2006:61 [ref. 32486]]
Scylliogaleidae Whitley 1940a:68 [ref. 4700] (family) Scylliogaleus [name only, but used as valid by Smith 1957a:353 [ref. 12172] Article 13.2.1]
Emissolidae Whitley 1940a:68, 117 [ref. 4700] (family) Emissola [name only, but used as valid by Whitley 1968:7 [ref. 22198] Article 13.2.1; junior objective synonym of Mustelini Bonaparte 1835, Article 61.3.2]
Cyniidae or Cyniatidae Myers & Storey 1956:14 [ref. 32831] (family) Cynias [genus inferred from the stem, Article 11.7.1.1; unavailable publication]