Pseudorthoceras knoxense

Pseudorthoceras
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Specimen #693
Taxon: Pseudorthoceras knoxense (McChesney)
Locality: McCoy, Eagle County, CO
Age: Pennsylvanian Period
Rock unit: Minturn Formation
Collector: W. Itano

This is a fragment of a straight nautiloid. It is by far the most common nautiloid at McCoy. (Length 3 cm.)


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Last modified: September 29,1997. Send comments to webmaster@itano.net