 | Placenticeras is a genus of ammonites from the Late Cretaceous. Its fossils have been found in Asia, Europe, North and South America. Placenticeras, named... 3 KB (297 words) - 19:08, 18 July 2023 |
 | 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 |
 | fossil shells of the Upper Cretaceous disk-shaped ammonites Placenticeras meeki and Placenticeras intercalare, and (to a lesser degree) the cylindrical baculite... 26 KB (3,140 words) - 22:11, 19 November 2023 |
 | known for the abundant ammonite fauna it yields, including Baculites, Placenticeras, Scaphites, Hoploscaphites and Jeletzkytes, as well as many uncoiled... 49 KB (5,527 words) - 23:25, 24 March 2024 |
 | been found in fossil shells of some ammonites, mainly Pachydiscus and Placenticeras. These were once interpreted as a result of limpets attaching themselves... 59 KB (5,161 words) - 10:20, 6 May 2024 |
marroti / Hoplitoplacenticeras vari zone of Delawarella delawarensis zone of Placenticeras bidorsatum During the Campanian age, a radiation among dinosaur species... 12 KB (1,001 words) - 10:20, 26 February 2024 |
also the direct ancestor of Late Cretaceous placenticeratids such as Placenticeras and Hypengonoceras. Sepkoski, Jack (2002). "Sepkoski's Online Genus... 2 KB (120 words) - 01:15, 31 January 2022 |
 | includes a variety of mollusks, namely ammonites–from the Pierre Shale Placenticeras placenta, Scaphites nodosus, Didymoceras, and Baculites ovatus–bivalves–such... 34 KB (3,896 words) - 21:19, 4 April 2024 |
lower part of the Upper Cretaceous and precursor of the overall similar Placenticeras. The shell is compressed, with flat or slightly convex sides and narrow... 2 KB (173 words) - 19:32, 18 July 2023 |
al. (2024). A study on the morphological variation of specimens of Placenticeras from the Upper Cretaceous strata of the eastern Gulf Coastal Plain (mostly... 53 KB (2,485 words) - 20:38, 9 May 2024 |