Shark teeth from Pirabas Formation (Lower Miocene), northeastern Amazonia, Brazil

Shark teeth from Pirabas Formation (Lower Miocene), northeastern Amazonia, Brazil

Blog Article

The shark fauna (Chondrichthyes: Elasmobranchii) of invertatop squeeze bottle Pirabas Formation is one of the most representative and diversified of the Neogene of South America.This fauna is associated with the early Miocene transgression resulting from the global sea level rise.In this paper, the composition of the Pirabas shark fauna is re-evaluated based on new fossil findings.The occurrence trufit wrist brace of the following taxa is confirmed: Carcharhinus sp.1, Carcharhinus sp.

2, Carcharhinuscf.macloti, Carcharhinus priscus, Galeocerdo sp., Sphyrna cf.media, Hemipristis serra, Carcharodon subauriculatus, Isurus sp., Ginglymostoma sp.

, Nebrius obliquus.