20318 - Nice Polished 4.93 Inch Mammites nodosoides (Ammonite) Upper Cretaceous Turonian Quartz Iberocoryphe

Name: 20318 - Nice Polished 4.93 Inch Mammites nodosoides (Ammonite) Upper Cretaceous Turonian Quartz Iberocoryphe
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SKU: 53023588575
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Suite notes

Mahogany paper grain — description and returns beneath the overlapping buy card.

Description

Iberocoryphe

Sepkoski 2002 and Siveter 1977

The chondrules have olivine (Ol)

Diagnosis—Apomorphies of taxon: pterygoid teeth become increasingly curved posteriorly

Do not have any type of restoration or preparation

20318 - Nice Polished 4.93 Inch Mammites nodosoides (Ammonite) Upper Cretaceous Turonian Quartz IberocorypheMammites nodosoides, Schlter 1871 (ammonite) Cephalopoda Ammonitida Acanthoceratidae Huge specimen. This ammonite species is a biostratigraphic marker of the Turonian stage (Upper Cretaceous). It appears in the Akrabou formation, usually in nodules. Polished specimen.

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