Pecten sosneadoensis C. E. Weaver, 1931 † accepted as Radulonectites sosneadoensis (C. E. Weaver, 1931) † (original description)
Pygaster gerthi Weaver, 1931 † (original description)
Trigonia agrioensis C. E. Weaver, 1931 † accepted as Tanzanitrigonia agrioensis (C. E. Weaver, 1931) † (original description)
Trigonia catanlilensis C. E. Weaver, 1931 † accepted as Jaworskiella burckhardti (Jaworski, 1915) † (original description)
Trigonia coihuicoensis C. E. Weaver, 1931 † accepted as Leanzatrigonia coihuicoensis (C. E. Weaver, 1931) † (original description)
Trigonia groeberi C. E. Weaver, 1931 † accepted as Antutrigonia groeberi (C. E. Weaver, 1931) † (original description)
Trigonia literata var. keideli C. E. Weaver, 1931 † accepted as Eoanditrigonia keideli (C. E. Weaver, 1931) † (original description)
Trigonia picunensis C. E. Weaver, 1931 † accepted as Anditrigonia eximia (R. A. Philippi, 1899) † accepted as Damborenella eximia (R. A. Philippi, 1899) † (original description)
Trigonia signata var. keideli C. E. Weaver, 1931 † (original description)
Trigonia transitoria var. curacoensis C. E. Weaver, 1931 † accepted as Weaverella curacoensis (C. E. Weaver, 1931) † (original description)
Trigonia transitoria var. quintucoensis C. E. Weaver, 1931 † accepted as Garatella quintucoensis (C. E. Weaver, 1931) † (original description)
Trigonia transitoria var. vacaensis C. E. Weaver, 1931 † accepted as Transitrigonia vacaensis (C. E. Weaver, 1931) † (original description)