Placenticeras meeki


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.

Description

Shells of this species could reach a diameter of about, although largest specimen could reach. 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.

Etymology

The name honours American Palaeontologist Fielding Bradford Meek.