Placenticeras is a genus of ammonites from the Late Cretaceous. Its fossils have been found in Asia, Europe, North and South America. Placenticeras, named...
4 KB (340 words) - 02:51, 31 August 2024
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
known for the abundant ammonite fauna it yields, including Baculites, Placenticeras, Scaphites, Hoploscaphites and Jeletzkytes, as well as many uncoiled...
52 KB (5,802 words) - 08:19, 25 September 2024
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
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
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 (5,198 words) - 15:15, 28 September 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
genus Caseyella. A study on the morphological variation of specimens of Placenticeras from the Upper Cretaceous strata of the eastern Gulf Coastal Plain (mostly...
116 KB (6,218 words) - 15:50, 3 October 2024
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
famous for its well-preserved ammonite fossils. These include Placenticeras meeki, Placenticeras intercalare, Hoploscaphites, and Sphenodiscus, the baculite...
18 KB (1,135 words) - 04:14, 1 September 2024
Kauffman and Robert Kesling reported a fossil ammonite of the genus Placenticeras exhibiting damage they interpreted as tooth marks from a mosasaur, probably...
130 KB (12,455 words) - 04:45, 7 August 2024
domain the Santonian is coeval with a single ammonite biozone: that of Placenticeras polyopsis. Biostratigraphy based on inoceramids, nanoplankton or forams...
8 KB (553 words) - 18:38, 16 August 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
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
Pholadomya †Pholadomya coloradensis †Pholadomya coloradoensis †Pinna †Placenticeras †Placenticeras pseudoplacenta Polinices †Polinices concinna †Prionocyclus †Prionocyclus...
15 KB (521 words) - 14:56, 26 September 2024
Uppermost DeGrey Formation. Specimens associated with Globidens schurmanni. Placenticeras P. intercalere Bowman County, North Dakota. "One decorticated specimen...
69 KB (2,329 words) - 23:44, 16 July 2024
from this time are present in Wisconsin. These include the species Placenticeras pseudoplacenta and Scaphites carlilensis. During the Quaternary, deposition...
26 KB (2,507 words) - 02:53, 17 June 2024
protexta Phacoides †Phacoides mattiformis Pholadomya †Pinna †Placenticeras †Placenticeras benningi †Platecarpus †Pleuriocardia †Pleuriocardia eufalensis...
31 KB (1,681 words) - 18:25, 12 February 2024
Pholas – tentative report †Pinna †Pinna laqueata †Placenticeras †Placenticeras placenta †Placenticeras syrtale †Pleuriocardia – or unidentified related...
28 KB (1,424 words) - 18:25, 12 February 2024
†Phyloblatta †Phyloblatta grimaldii – type locality for species †Pinna †Placenticeras – tentative report †Placerias †Placerias hesternus †Platananthus †Platananthus...
34 KB (1,867 words) - 01:48, 25 August 2024
†Phlycticrioceras trinodosus †Pinna †Placenticeras †Placenticeras meeki †Placenticeras placentum †Placenticeras syrtale †Plastomenus – tentative report...
47 KB (2,590 words) - 19:06, 24 May 2024
Pictonia Pimelites Pinaclymenia Pinacoceras Pinacoplacites Piriclymenia Placenticeras Placites Planammatoceras Planisphinctes Plasmatoceras Platotropites...
65 KB (2,780 words) - 20:33, 4 September 2024
Albian–Turonian PreꞒ Ꞓ O S D C P T J K Pg N Herrickiceras costatus (Placenticeras costatum) Scientific classification Domain: Eukaryota Kingdom: Animalia...
2 KB (169 words) - 19:47, 17 April 2021
plerucostatum N. (Nostoceras) pulcher Oxybeloceras O. crassum Pachydiscus Placenticeras Alatacythere A. ponderosana Bairdoppilata B. rotunda Brachycythere B...
7 KB (473 words) - 12:26, 14 February 2024
93.5–89.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Herrickiceras costatus (Placenticeras costatum) Scientific classification Domain: Eukaryota Kingdom: Animalia...
2 KB (102 words) - 21:27, 14 April 2021
densicostatus Submortoniceras tequesquitense Inoceramus undulatuplicatus Placenticeras planum Eutrephoceras dekayi Eutrephoceras alcesense Baculites sp. Exogyra...
5 KB (323 words) - 09:57, 24 May 2024
†Piestochilus curviliratus Pinna †Pinna laqueata †Placenticeras †Placenticeras placenta †Placenticeras syrtale †Plagiostoma †Plagiostoma woodsi †Platecarpus...
48 KB (2,430 words) - 10:01, 12 June 2024
Pholadomya †Pholadomya occidentalis †Pholadomya tippana †Pinna †Placenticeras †Placenticeras benningi †Plagiostoma †Platecarpus Plicatula Polinices †Polycotylus...
49 KB (1,721 words) - 09:59, 12 June 2024
locality for species Pholadomya †Pinna †Placenticeras †Placenticeras cumminsi †Placenticeras meeki †Placenticeras pseudoplacenta †Planolites Platanus †Platecarpus...
70 KB (2,640 words) - 10:36, 13 April 2024
†Piceoerpeton Pinna Pinus Pistacia †Pistia †Placenticeras †Placenticeras intercalare †Placenticeras meeki †Placenticeras pseudoplacenta †Plagiostoma Planorbis...
98 KB (3,870 words) - 22:03, 3 June 2024