Trigonia alina- Trigonia americana
- Trigonia ammonoides
- Trigonia angulicostata
- Trigonia argentiniae
- Trigonia barrensis
- Trigonia boidini
- Trigonia calderoni
- Trigonia cassiope
- Trigonia charlottensis
- Trigonia clavellata
- Trigonia clytia
- Trigonia columbiana
- Trigonia compta
- Trigonia concentrica
- Trigonia condoni
- Trigonia conferticostata
- Trigonia conradi
- Trigonia costata
- Trigonia costatula
- Trigonia damoniana
- Trigonia decorata
- Trigonia dumblei
- Trigonia elegantissima
- Trigonia elongata
- Trigonia evansi
- Trigonia exigua
- Trigonia formosa
- Trigonia gibbosa
- Trigonia goldfusii
- Trigonia goodellii
- Trigonia heberti
- Trigonia hemisphaerica
- Trigonia hilli
- Trigonia hondaana
- Trigonia icrana
- Trigonia imbricata
- Trigonia impressa
- Trigonia incurva
- Trigonia interlaevigata
- Trigonia laevigata
- Trigonia leblanci
- Trigonia leckenbyi
- Trigonia lepida
- Trigonia lorentii
- Trigonia mactroides
- Trigonia margaritifera
- Trigonia mathewsi
- Trigonia micheloti
- Trigonia montanaensis
- Trigonia moretoni
- Trigonia mortoni
- Trigonia munita
- Trigonia naviformis
- Trigonia navis
- Trigonia newcombei
- Trigonia nitida
- Trigonia obliqua
- Trigonia pellati
- Trigonia perlata
- Trigonia plumasensis
- Trigonia praecostata
- Trigonia praestriata
- Trigonia proscabra
- Trigonia pulchella
- Trigonia pulla
- Trigonia quadrangularis
- Trigonia radiata
- Trigonia reticulata
- Trigonia rudicostata
- Trigonia sauvagei
- Trigonia scapha
- Trigonia securiformis
- Trigonia signata
- Trigonia similis
- Trigonia spinulosa
- Trigonia stantoni
- Trigonia striata
- Trigonia subtriangularis
- Trigonia suevica
- Trigonia syriaca
- Trigonia tenuicosta
- Trigonia terquemi
- Trigonia texana
- Trigonia trafalgarensis
- Trigonia undulata
- Trigonia variegata
- Trigonia verrucosa