Frenguelliella A. F. Leanza, 1942 † (basis of record)
Frenguelliella chubutensis (Feruglio, 1934) † (basis of record)
Frenguelliella eopacifica Echevarría, S. E. Damborenea & Manceñido, 2021 † (original description)
Frenguelliella poultoni H. A. Leanza, 1993 † accepted as Frenguelliella chubutensis (Feruglio, 1934) † (source of synonymy)
Frenguelliellidae M. Nakano, 1960 † (basis of record)
Jaworskiella A. F. Leanza, 1942 † (basis of record)
Kumatrigonia Tamura, 1959 † (basis of record)
Moerickella Echevarría, S. E. Damborenea & Manceñido, 2021 † (original description)
Moerickella infraclavellata (Möricke, 1894) † (basis of record)
Moerickella siemonmulleri (Poulton, 1979) † (basis of record)
Moerickella supleiensis (Poulton, 1979) † (basis of record)
Myophorella araucana (A. F. Leanza, 1942) † accepted as Promyophorella araucana (A. F. Leanza, 1942) † (source of synonymy)
Poultoniella Echevarría, S. E. Damborenea & Manceñido, 2021 † accepted as Terrypoultoniella Echevarría, S. E. Damborenea & Manceñido, 2021 † (original description)
Poultoniella jaworskii Echevarría, S. E. Damborenea & Manceñido, 2021 † accepted as Terrypoultoniella jaworskii (Echevarría, S. E. Damborenea & Manceñido, 2021) † (original description)
Poultoniella malladae (Choffat, 1885) † accepted as Terrypoultoniella malladae (Choffat, 1885) † (source of synonymy)
Promyophorella agniaensis (Levy, 1966) † (basis of record)
Promyophorella araucana (A. F. Leanza, 1942) † (basis of record)
Promyophorella basoaltorum Echevarría, S. E. Damborenea & Manceñido, 2021 † (original description)
Promyophorella exotica (Möricke, 1894) † (basis of record)
Promyophorella sanjuanina Echevarría, S. E. Damborenea & Manceñido, 2021 † (original description)
Pseudovaugonia Echevarría, S. E. Damborenea & Manceñido, 2021 † (original description)
Pseudovaugonia oregonensis (Poulton, 1979) † (basis of record)
Pseudovaugonia vancouverensis (Poulton, 1976) † (basis of record)
Quadratojaworskiella Reyes & E. Pérez, 1980 † (basis of record)
Quadratojaworskiella pustulata Reyes & E. Pérez, 1980 † (basis of record)
Trigonia catanlilensis C. E. Weaver, 1931 † accepted as Jaworskiella burckhardti (Jaworski, 1915) † (source of synonymy)
Trigonia exotica Möricke, 1894 † accepted as Promyophorella exotica (Möricke, 1894) † (source of synonymy)
Trigonia gryphitica Möricke, 1894 † accepted as Moerickella infraclavellata (Möricke, 1894) † (source of synonymy)
Trigonia inexspectata var. densecostata Jaworski, 1926 † accepted as Frenguelliella chubutensis (Feruglio, 1934) † (source of synonymy)
Trigonia tapiai Lambert, 1944 † accepted as Frenguelliella chubutensis (Feruglio, 1934) † (source of synonymy)
Vaugonia hectorleanzai E. Pérez, Aberhan, Reyes & Hillebrandt, 2008 † accepted as Pseudovaugonia hectorleanzai (E. Pérez, Aberhan, Reyes & Hillebrandt, 2008) † (source of synonymy)
Vaugonia namigashira T. Kobayashi & Mori, 1955 † (basis of record)
Vaugonia niranohamensis T. Kobayashi & Mori, 1955 † (basis of record)
Vaugonia oregonensis Poulton, 1979 † accepted as Pseudovaugonia oregonensis (Poulton, 1979) † (source of synonymy)
Vaugonia vancouverensis Poulton, 1976 † accepted as Pseudovaugonia vancouverensis (Poulton, 1976) † (source of synonymy)
Vaugonia yokoyamai T. Kobayashi & Mori, 1955 † (basis of record)