Choptank Formation (VA) (Age not resolved beyond "Miocene")
Shoal River Formation (N. FL)
Early Miocene
Calvert Formation (MD)
Calvert Formation (Plum Point Member) (MD)
Chipola Formation (N. FL)
Oak Grove Sand (N. FL)
Crucibulum multilineatum from the Early Pleistocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 70073).Crucibulum multilineatum from the Early Pleistocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 70147).