[PDF][PDF] Shark remains from the late Carboniferous of the Amazon Basin, Brazil
A small microvertebrate fauna is described from core samples obtained from a borehole
sunk by the Petrobrás Oil Company in the Amazon Basin. The samples come from the
Itaituba Formation and are dated as being from around the Morrowan/Atokan boundary
(Late Pennsylvanian, Late Carboniferous) on the basis of associated conodont elements.
The samples include teeth of the anachronistid neoselachian Cooleyella amazonensis n.
sp.,? Denaea sp.(Symmoridae, Euselachii), an undetermined? symmoriid,? Triodus …
sunk by the Petrobrás Oil Company in the Amazon Basin. The samples come from the
Itaituba Formation and are dated as being from around the Morrowan/Atokan boundary
(Late Pennsylvanian, Late Carboniferous) on the basis of associated conodont elements.
The samples include teeth of the anachronistid neoselachian Cooleyella amazonensis n.
sp.,? Denaea sp.(Symmoridae, Euselachii), an undetermined? symmoriid,? Triodus …
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