Fig. 4 in Short-term survival of ammonites in New Jersey after the end-Cretaceous bolide impact

Fig. 4. Clay pods in the matrix of the Burrowed Unit adjacent to burrows, Monmouth County, New Jersey, probably reworked from the Pinna Layer, and piped down into the Burrowed Unit. A–D. Single pod adjacent to a burrow. A. Overview. B. Eubaculites latecarinatus (Brunnschweiler, 1966), AMNH 66312 in left lateral view (B1); whorl cross−section at adoral end showing a specimen of Eubaculites telescoped inside (B2). C. Heteropora americana Richards, 1962, AMNH 51309; without any sediment in the zooids. D. Eubaculites sp., hollow specimen, AMNH 66313; view of hollow chambers (D1), close−up of septum (D2). E. Eubaculites sp. in another clay pod adjacent to a burrow, AMNH 66314; septal face (E1), close−up of septal neck (E2).