more past finds id help

janra171408

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The tube shape things look like straight-shell nautiloids. I would give them the generic term "orthocone". Genera and species names would depend on knowing the area (geologic layer & age) they came from. The fossil is a limestone mold of the interior of the shell. The segments you see are individual chambers (infilled) of the shell. The animal added new chambers as it grew bigger and bigger.
 

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