Placenticeras benningi- Placenticeras cumminsi
- Placenticeras fallax
- Placenticeras intercalare
- Placenticeras minor
- Placenticeras patagonicum
- Placenticeras pingue
- Placenticeras placenta
- Placenticeras planum
- Placenticeras polyopsis
- Placenticeras pseudoplacenta
- Placenticeras sancarlosense
- Placenticeras spillimani
- Placenticeras syrtale
- Placenticeras syrtalis
- Placenticeras tamulicum
- Placenticeras washbournei
- Placenticeras whitfieldi