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Busycon contrarium

Geological Range

Late Pliocene to Early Pleistocene; Extinct.

Paleogeographic Distribution

Texas to North Carolina.

Remarks

Busycon contrarium is an exclusively fossil species. However, its name is sometimes confused with the lightning whelk, Sinistrofulgur perversum, which is a modern species native to the Gulf states and also has a sinistral (left-handed) shell.

Stratigraphic Occurrences

Early Pleistocene
Caloosahatchee Formation (S. FL)
Waccamaw Formation (NC)
Late Pliocene
Duplin Formation (NC)
Tamiami Formation (Pinecrest Beds) (S. FL)
Waccamaw Formation (Lower) (NC)
Yorktown Formation (NC)
<i>Busycon contrarium</i> from the Late Pliocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 69684).
Busycon contrarium from the Late Pliocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 69684).