Family Sternopygidae Cope 1871

Carapini Bonaparte 1850b [ref. 32551] (subfamily) Carapus Cuvier [genus inferred from the stem, Article 11.7.1.1; invalid, Article 39; senior homonym of Carapidae Poey 1867, but never used after 1899] Sternopygidae Cope 1871:454 [ref. 920] (family) Sternopygus [genus inferred from the stem, Article 11.7.1.1]

? Archaeogymnotoidea Mago-Leccia 1978:14 [ref. 5489] (superfamily)? [also as subfamily Archaeogymnotinae; no stem of the type genus, not available, Article 11.7.1.1]

Eigenmanninae Mago-Leccia 1978:14 [ref. 5489] (subfamily) Eigenmannia [correct stem is Eigenmanni-]