Today’s Fossil Friday is an upper tooth of the tiger shark, Galeocerdo cuvier. This specimen was found in El Lirio Norte of the Culebra Formation and is early Miocene in age. This shark is still found warm to tropical waters today and has a cosmopolitan distribution. Specimens of this shark are also found in the early Miocene of Brazil and India.
To read more about this specimen, read the publication on it here.
Pimiento C., Gonzalez G., Hendy A., Jaramillo C., MacFadden B.J., Montes C., Suarez S.C., Shippritt M. 2013. Early Miocene chondrichthyans from the Culebra Formation, Panama: A window into marine vertebrate faunas before closure of the Central American Seaway. Journal of South American Earth Sciences 42: 159-170