Massive Ammonite Pachydiscus catarinae Cretaceous Baja, Mexico Stunningly...

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Description

Massive Ammonite
Pachydiscus catarinae
Cretaceous
Baja, Mexico
Stunningly well defined, snowflake-like suture patterns distinguish a robust, polished ammonite specimen. It is the suture layer of ammonites which provides the means of identification. Pachydiscus was a large, thick ammonite that swam the ancient seas of the Late Cretaceous. Its shell was composed of three layers:...

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