Fossil Information (Phanerozoic Eon)
| ID: | 521 |
| Fossil Type: | Shell |
| Fossil Description: | Agerostrea mesenterica (prehistoric oyster) |
| Status: | Extinct |
| Relative Size: | Medium |
| Class: | Bivalvia |
| Subclass: | Pteriomorpha |
| Order: | Pterioida |
| Suborder: | Ostreina |
| Superfamily: | Ostraceae |
| Family: | Ostreidae |
| Subfamily: | Lophinae |
| Scientific Name (Genus species): | Agerostrea mesenterica (Morton, 1834), Ostrea mesenterica or Ostrea falcata |
| Era/Period: | Mesozoic/Cretaceous |
| Epoch/Age: | Maastrichtian |
| MYA: | About 72 |
| Discovery Location (Water, Land): | Poricy Brook |
| Discovery Location (City, ST): | Middletown, NJ |
| Discovery Location (County): | Monmouth |
| Deepest Formation: | Navesink |
| Color: | Gray |
| Comments: | Concave area still contains matrix of glauconitic marl (with green/black glauconite grains), scalloped edges |
| Collector Name: | RLD |
| Image Filename 1: | DSCF4461.jpg |
| Image Filename 2: | DSCF4462.jpg |