• Thumbnail for Placenticeras meeki
    Placenticeras meeki is an ammonite species from the Late Cretaceous. These cephalopods were fast-moving nektonic carnivores. They mainly lived in the...
    1 KB (107 words) - 01:36, 16 March 2023
  • Thumbnail for Placenticeras
    intercalare Placenticeras kolbajense Placenticeras maherndli Placenticeras mediasiaticum Placenticeras memoriaschloenbachi Placenticeras meeki Placenticeras orbignyanum...
    4 KB (340 words) - 07:04, 13 June 2024
  • Thumbnail for Ammolite
    fossil shells of the Upper Cretaceous disk-shaped ammonites Placenticeras meeki and Placenticeras intercalare, and (to a lesser degree) the cylindrical baculite...
    26 KB (3,156 words) - 20:33, 3 July 2024
  • Thumbnail for Bearpaw Formation
    famous for its well-preserved ammonite fossils. These include Placenticeras meeki, Placenticeras intercalare, Hoploscaphites, and Sphenodiscus, the baculite...
    16 KB (1,049 words) - 17:51, 10 February 2024
  • alexi – type locality for species †Pecten Pholadomya Pinus †PlacenticerasPlacenticeras meeki Platanus †Platecarpus †Platecarpus planifrons – type locality...
    46 KB (1,747 words) - 21:41, 23 March 2024
  • occidentalis Pholas †Phymosoma †Phytosaurus †Pinna Pitar †PlacenticerasPlacenticeras meeki †Planocephalosaurus †Platecarpus †Platecarpus planifrons †Platecarpus...
    117 KB (4,564 words) - 19:53, 3 July 2024
  • Thumbnail for Placenticeratidae
    the Early Cretaceous, starting with Hypengonoceras. The type genus, Placenticeras, appears later and is known from the upper Santonian to the lower Campanian...
    2 KB (185 words) - 19:31, 18 July 2023
  • eriensis †Pistia †Pistia corrugata †PlacenticerasPlacenticeras intercalare †Placenticeras meekiPlacenticeras pseudoplacenta †Plagiostoma †Plagiostoma...
    103 KB (5,299 words) - 00:35, 10 May 2024
  • †Piceoerpeton Pinna Pinus Pistacia †Pistia †PlacenticerasPlacenticeras intercalare †Placenticeras meekiPlacenticeras pseudoplacenta †Plagiostoma Planorbis...
    98 KB (3,870 words) - 22:03, 3 June 2024
  • †Parviraptor †Pentaceratops †Pentaceratops sternbergii †Pinna †PlacenticerasPlacenticeras meeki †Platyceramus †Platyceramus ahsenensis †Platyceramus cycloides...
    81 KB (3,044 words) - 19:07, 24 May 2024