Pleydellia mactra
- kingdom: Animalia
- phylum: Mollusca
- class: Cephalopoda
- order: Ammonoidea
- family: Hildoceratidae
- genus: Pleydellia
- species: Pleydellia mactra
- France
Reutlingen
Baden-Württemberg- Altdorf
Bavaria
Germany- Luxembourg
Pleydellia mactra Reutlingen Altdorf
La Verpillière
Esch-sur-Alzette