Table 1.
Overview of sampling localities and age of the bivalve specimens utilized here.
| Basin | Age range | Sample Site | Stratigraphic unit | Species (number of specimens) |
|---|---|---|---|---|
| Hampshire | 40.5–41.5 | Studley Wood | Huntingbridge Shell Bed, Elmore Member18 | Venericor planicosta (2) |
| 52.5–52.9 | Nursling | Nursling Member16 | Venericor sp. nov. (2) | |
| Paris | 43.4–44.0 | Chaumont-en-Vexin | Calcaire grossier moyen19 | Venericor planicosta (3) |
| 44.0–45.0 | Fleury-La-Rivière | Calcaire grossier moyen19 | Crassatella ponderosa (3) | |
| 39.3–41.03 | Le Guépelle | Sables du Guépelle19 | Venericor planicosta (1) | |
| Belgian | 47.5–49.0 | Aalter | Oedelem Sand Member20 | Venericor planicosta lerichei (2) |