Taxonomic considerations about the paleo-ichthyofauna of Alto Guayacán Locality, Uscari Formation, late Miocene-early Pliocene [N17 a N19]: record of the species Carcharhinus plumbeus (Nardo, 1827)

Authors

  • Cristian Calvo Independent researcher, San José, Costa Rica Author
  • César A. Laurito Independent researcher, San José, Costa Rica Author
  • Ana L. Valerio Independent researcher, San José, Costa Rica Author

DOI:

https://doi.org/10.15517/6g1bq081

Keywords:

Carcharhiniformes, Carcharhinidae, Carcharhinus plumbeus, Uscari Formation, Costa Rica

Abstract

The Alto Guayacán fossil locality outcropping in the Caribbean region of Costa Rica is characterized by its high ichthyological biodiversity, with more than 30 species of fossil chondrichthyans. As part of an exercise in taxonomic review and accuracy, the species Carcharhinus plumbeus (Nardo, 1827) is recorded in the Uscari Formation.

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References

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Carcharhinus plumbeus (Nardo, 1827), 1. diente inferior lateral

Published

2026-01-20