- Petaloconchus alcimus
- Petaloconchus apakadikike
- Petaloconchus cereus
- Petaloconchus cochlidium
- Petaloconchus compactus
- Petaloconchus complicatus
- Petaloconchus erectus
- Petaloconchus flavescens
- Petaloconchus floridanus
- Petaloconchus glomeratus
- Petaloconchus innumerabilis
- Petaloconchus interliratus
- Petaloconchus keenae
- Petaloconchus lamellosus
- Petaloconchus lilacinus
- Petaloconchus lilandikike
- Petaloconchus macrophragma
- Petaloconchus mcgintyi
- Petaloconchus merkana
- Petaloconchus montereyensis
- Petaloconchus nerinaeoides
- Petaloconchus nigricans
- Petaloconchus octosectus
- Petaloconchus renisectus
- Petaloconchus sculpturatus
- Petaloconchus tokyoensis
- Petaloconchus varians