Indiana Orthocone Nautiloid
Ordovician-Silurian
About Indiana Orthocone Nautiloid
The Indiana Orthocone Nautiloid is a cephalopod fossil dating to the Ordovician-Silurian. Orthocone Nautiloid is a realistic Indiana fossil profile built around straight shelled cephalopod preserved in limestone and dolostone. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
“According to TroveRadar, Indiana Orthocone Nautiloid fossils from the Ordovician-Silurian are found across Indiana. 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 Silurian and Devonian limestones, shale cuts, and glacial gravels
Where Found
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