Orthacodontidae
Orthacodontidae is an extinct family of sharks in the order Synechodontiformes. It contains twelve species within three genera. Some authors included it into Hexanchiformes or Lamniformes.Species
- Occitanodus Guinot, Cappetta & Adnet, 2014
- * Occitanodus sudrei Guinot, Cappetta & Adnet, 2014
- Orthacodus Woodward, 1889
- * Orthacodus longidens Agassiz, 1843
- Sphenodus Agassiz, 1843
- * Sphenodus alpinus Gümbel, 1861
- * Sphenodus longidens Agassiz, 1843
- * Sphenodus lundgreni Davis, 1890
- * Sphenodus macer Quenstedt, 1852
- * Sphenodus nitidus Wagner, 1862
- * Sphenodus planus Agassiz, 1843
- * Sphenodus rectidens Emmons, 1858
- * Sphenodus robustidens Seguenza, 1900
- * Sphenodus tithonius Gemmellaro, 1871
- * Sphenodus virgai Gemmellaro, 1871
