Tryonia acicularis- Tryonia adamantina
- Tryonia aequicostata
- Tryonia alamosae
- Tryonia allendae
- Tryonia angosturae
- Tryonia angulata
- Tryonia brevissima
- Tryonia cheatumi
- Tryonia chuviscarae
- Tryonia circumstriata
- Tryonia clathrata
- Tryonia contrerasi
- Tryonia diaboli
- Tryonia elata
- Tryonia ericae
- Tryonia gilae
- Tryonia imitator
- Tryonia infernalis
- Tryonia julimesensis
- Tryonia kosteri
- Tryonia margae
- Tryonia metcalfi
- Tryonia minckleyi
- Tryonia minuscula
- Tryonia molinae
- Tryonia monitorae
- Tryonia nuttalli
- Tryonia oasiensis
- Tryonia ovata
- Tryonia peregrina
- Tryonia porrecta
- Tryonia protea
- Tryonia quitobaquitae
- Tryonia robusta
- Tryonia rowlandsi
- Tryonia salina
- Tryonia santarosae
- Tryonia scalarioides
- Tryonia seemani
- Tryonia semituberculata
- Tryonia shikueii
- Tryonia stocktonensis
- Tryonia taylori
- Tryonia valida
- Tryonia variegata
- Tryonia vivasi
- Tryonia zaragozae