Tamaragonia abichi (FOSSIL) (Anthula, 1899 †)
Levytrigonia covuncoensis (FOSSIL) (A. Lambert, 1944 †)
Iotrigonia crassitesta (FOSSIL) van Hoepen, 1929 †
Iotrigonia curta (FOSSIL) T.N. Bogdanova & Yanin,2005 †
Mayesella dubia (FOSSIL) (Kitchin, 1903 †)
Mayesella falcki (FOSSIL) (Rouillier & Vosinsky,1894 †)
Perezella fuenzalidai (FOSSIL) (Reyes & A.M. Pérez,1984 †)
Iotrigonia glyptica (FOSSIL) (Woods, 1917 †)
Tamaragonia hauchecornei (FOSSIL) (M. Schmidt, 1905 †)
Mayesella haughtoni (FOSSIL) (Rennie, 1936 †)
Mayesella heterosculpta (FOSSIL) (Stanton, 1901) †
Zaletrigonia hoepeni (FOSSIL) (Skwarko, 1963 †)
Zaletrigonia inconstans (FOSSIL) (van Hoepen, 1929 †)
Mayesella jakshysaurensis (FOSSIL) (Luppov, 1932) †
Mayesella kuehni (FOSSIL) (G. Müller, 1900) †
Iotrigonia leda (FOSSIL) Fleming, 1987 †
Iotrigonia lenseni (FOSSIL) Fleming, 1987 †
Iotrigonia limatula (FOSSIL) Whitehouse, 1946 †
Perezella lissocostata (FOSSIL) (Reyes & A.M. Pérez,1984 †)
Iotrigonia nanutarraensis (FOSSIL) (Cox, 1961) †
Zaletrigonia normanbyia (FOSSIL) (Skwarko, 1981 †)
Andivaugonia radixscripta (FOSSIL) (A. Lambert, 1944 †)
Andivaugonia radixsripta (FOSSIL) (Lambert 1944) †
Mayesella recurva (FOSSIL) (Kitchin, 1903) †
Grandigonia robinaldina (FOSSIL) (A.V.M.D. D'Orbigny,1844 †)
Iotrigonia stanwellensis (FOSSIL) Skwarko, 1963 †
Iotrigonia stowi (FOSSIL) (Kitchin, 1908) †
Zaletrigonia telefominiana (FOSSIL) (Skwarko, 1981 †)
Mayesella vau (FOSSIL) (Sharpe, 1856) †
Iotrigonia vscripta (FOSSIL) (Kitchin, 1903) †
Iotrigonia youxiaensis (FOSSIL) Wen & T.C. Lan, 1976 †