Pachydiscus sp. Campanian, Late Cretaceous California Ammonites from California are rare. An aggressive hunter feeding on other ammonites and fish, Pachydiscus was a large ammonite that thrived during the Late Cretaceous. In the present example, some sutures are seen as deep cuts and stain marks. The specimen is mounted on a rippled sandstone block which was produced by waves during the time that the sand was deposited four million years ago (Pliocene-Miocene.) Measures 12 x 5 ½ x 5in
Pachydiscus sp. Campanian, Late Cretaceous California Ammonites from California are rare. An aggressive hunter feeding on other ammonites and fish, Pachydiscus was a large ammonite that thrived during the Late Cretaceous. In the present example, some sutures are seen as deep cuts and stain marks. The specimen is mounted on a rippled sandstone block which was produced by waves during the time that the sand was deposited four million years ago (Pliocene-Miocene.) Measures 12 x 5 ½ x 5in
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
