Trachyceras dichotomum (FOSSIL) (Münster, 1841 †)
Brotheotrachyceras difforme (FOSSIL) (Münster, 1834 †)
Trachyceras douvillei (FOSSIL) Mansuy, 1912 †
Anolcites drakei (FOSSIL) Smith, 1914 †
Eoprotrachyceras dunni (FOSSIL) (Smith, 1914 †)
Meginoceras effervescens (FOSSIL) Tozer, 1994 †
Anasirenites ekkehardi (FOSSIL) Mojsisovics, 1893 †
Zestoceras enode (FOSSIL) (Tozer, 1972 †)
Maclearnoceras ensio (FOSSIL) Tozer, 1994 †
Asklepioceras exilis (FOSSIL) Tozer, 1994 †
Pseudosirenites falcatus (FOSSIL) Tozer, 1994 †
Anolcites furlongi (FOSSIL) Mojsisovics 1893 †
Trachystenoceras gabbi (FOSSIL) (A. Hyatt & Smith,1905 †)
Anolcites gemmatus (FOSSIL) Tozer, 1994 †
Eoprotrachyceras gibsoni (FOSSIL) Tozer, 1994 †
Frankites glaber (FOSSIL) Tozer, 1994 †
Muensterites glaciensis (FOSSIL) McLearn, 1940 †
Sympolycyclus gunningi (FOSSIL) Tozer, 1994 †
Silenticeras hatae (FOSSIL) McLearn, 1930 †
Sirenites hayesi (FOSSIL) (Smith, 1927 †)
Muensterites helenae (FOSSIL) Renz, 1911 †
Hannaoceras henseli (FOSSIL) (Oppel 1865 †)
Sirenites homfrayi (FOSSIL) (W.M. Gabb, 1864 †)
Anolcites impolitus (FOSSIL) Tozer, 1994 †
Silenticeras involutum (FOSSIL) Tozer, 1994 †
Hisnitites janmulleri (FOSSIL) Tozer, 1994 †
Striatosirenites kedonensis (FOSSIL) Bychkov, 1973 †
Sympolycyclus kellyi (FOSSIL) (Smith, 1927 †)
Arpadites kingi (FOSSIL) Smith, 1927 †
Norosirenites krystyni (FOSSIL) Tozer, 1994 †
Eoprotrachyceras lahontanum (FOSSIL) (Smith, 1914 †)
Daxatina laubei (FOSSIL) Tozer, 1994 †
Asklepioceras laurenci (FOSSIL) McLearn, 1940 †
Sirenites lawsoni (FOSSIL) (A. Hyatt & Smith,1905 †)
Silenticeras liardense (FOSSIL) Tozer, 1994 †