Vaugonia substriata (FOSSIL) (Burmeister & Giebel,1861 †)
Scaphorella susanae (FOSSIL) Péres, Aberhan, Reyes& Hillebrandt, 2008 †
Scaphorella susanae (FOSSIL) A.M. Pérez & al., 2008 †
Myophorella taylori (FOSSIL) Poulton, 1980 †
Litschkovitrigonia tenuituberculata (FOSSIL) Saveliev, 1958 †
Ibotrigonia tetoriensis (FOSSIL) K. Maeda, 1963 †
Myophorella tipperi (FOSSIL) Poulton, 1979 †
Myophorella tonasensis (FOSSIL) Yanin, 2004 †
Litschkovitrigonia tuarkyrensis (FOSSIL) Prozorovskii, 1968 †
Myophorella tuxedniensis (FOSSIL) Poulton, 1979 †
Myophorella uralica (FOSSIL) Saveliev, 1960 †
Vaugonia utahensis (FOSSIL) Imlay, 1964 †
Quadratotrigonia valentina (FOSSIL) Vilanova †
Vaugonia vancouverensis (FOSSIL) Poulton, 1976 †
Vaugonia veronica (FOSSIL) Crickmay, 1930 †
Myophorella vialovae (FOSSIL) Saveliev, 1960 †
Myophorella vnigri (FOSSIL) Saveliev, 1960 †
Orthotrigonia waipahiensis (FOSSIL) C.A. Fleming, 1987 †
Vaugonia walfordi (FOSSIL) (Lycett) †
Vaugonia yambarensis (FOSSIL) Kobayashi, 1956 †
Myophorella yellowstonensis (FOSSIL) Imlay, 1964 †
Vaugonia yokoyamai (FOSSIL) Kobayashi & A. Mori,1955 †
Vaugonia yukonensis (FOSSIL) Poulton, 1979 †