The Natural Canvas / 6174 Ammonites, Nautiloids and other molluscs Purchase here: ncanvas@aol.com

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Hercoglossa ulrichi

Paleocene, Alabama, USA

Big 120mm Tertiary nautiloid. After the Cretaceous when all ammonites and most nautiloids went extinct, Hercoglossa was one of only a handful of nautiloid genera that survived into the Tertiary.

$99