.... sp. (Cylichnidae), and Dentalium (Dentalium) n. sp. A (Dentaliidae). Nominal species of Nuculana , Grammatodon , Cylichna , and Laevidentalium also are present. The occurrence of ammonites, including taxa that occur in the type Cenomanian, securely establishes the fauna as middle Cenomanian...

... and −0.49 to +2.94 δ 13 C). The depleted carbon isotope ratio of −1.86 in a single herbivorous Strombus is considered to be an outlier. Predators on foraminifera (Cylichnidae), browsing carnivores ( Dentimargo , Marginellidae), and suspension feeders have very similar ratios ranging from −3.72...