Placenticeras_meeki

<i>Placenticeras meeki</i>

Placenticeras meeki

Species of mollusc (fossil)

Placenticeras meeki is an ammonite species from the Late Cretaceous. These cephalopods were fast-moving nektonic carnivores. They mainly lived in the American Interior Basin (Western Interior Seaway).

Quick Facts Placenticeras meeki Temporal range: Late Cretaceous, Scientific classification ...

Description

Shells of this species could reach a diameter of about 1 metre (3 ft 3 in). They are discoidal, involute and compressed. Whorls are stout and rounded to diameter of 3 millimeters. The surface of fossils is usually covered by opalized nacre (ammolite).

Etymology

The name honours Fielding Bradford Meek.

References


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