
Oklahoma Orthocone Nautiloid
Ordovician-Silurian
About Oklahoma Orthocone Nautiloid
The Oklahoma Orthocone Nautiloid is a cephalopod fossil dating to the Ordovician-Silurian. Orthocone Nautiloid is a realistic Oklahoma fossil profile built around straight shelled cephalopod preserved in limestone and dolostone. In this state, success usually comes from learning Mississippian limestones, chert gravels, and shale roadcuts, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
“According to TroveRadar, Oklahoma Orthocone Nautiloid fossils from the Ordovician-Silurian are found across Oklahoma. TroveRadar's field database catalogs 795+ fossil entries for identification and collection guidance.”
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Identification Tips
- ●long cone shape
- ●chamber partitions
- ●central siphuncle
- ●Check Mississippian limestones, chert gravels, and shale roadcuts
Where Found
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