Contraconus adversarius-w-Paraconcavus sarasotaensis barnacles 3 7/8” or 97.17mm.Lot#17870

Contraconus adversarius with Paraconcavus sarasotaensis barnacles 3 7/8” or 97.17mm. Encasing the Contraconus. Collected in the Pinecrest Member (Petuch Unit 7) of the Tamiami Formation in the mid 1970’s embedded in substrate at the level of Petuch Unit 7. Apac Pit, Sarasota County, Sarasota, Florida. Collected and identified by: Melanie Briskin.