† Placenticeras


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Größe: ca. 40 cm; Fundort: Garfield Co., Montana
Copyright: slugslayer; Contribution: slugslayer
Collection: Museum Of The Rockies
Location: USA/Montana/Garfield Co.
Fossil: Placenticeras
Encyclopedia: USA/Montana/Gallatin Co./Bozeman/Museum of the Rockies
Image: 1405692834
License: Usage for Mineralienatlas project only

Größe: ca. 40 cm; Fundort: Garfield Co., Montana

Collection: Museum Of The Rockies
Copyright: slugslayer
Contribution: slugslayer 2014-07-18
Locality: Garfield Co. / Montana / USA


Belong­ing to

Gaeabionta  ⇒ Domäne: Eukaryota  ⇒ Reich: Animalia  ⇒ Mittelreich: Eumetazoa  ⇒ Klade: Triploblastica  ⇒ Klade: Eutriploblastica  ⇒ Klade: Neotriploblastica  ⇒ Klade: Eucoelomata  ⇒ Superstamm: Eutrochozoa  ⇒ Stamm: Mollusca  ⇒ Klasse: Cephalopoda  ⇒ Unterklasse: Ammonoïdea  ⇒ Ordnung: Ammonitida  ⇒ Unterordnung: Ammonitina  ⇒ Überfamilie: Desmoceratoidea  ⇒ Familie: Placenticeratidae

Taxo­nomic seg­ment


This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.

Name from

Corre­spond­ing author (Name, Year)

Meek, 1876

Other languages



Alternative Name



Ref.: J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560

Detailed description

Weitere Unterteilung

  • Art: Placenticeras meeki
  • Art: Placenticeras polyopsis
  • Art: Placenticeras

Lebenszeitraum in Million Jahren (Ma)

Start age: 99.6 Ma - End age: 66 Ma
Upper/Late Cretaceous
(Obere Kreide)

Additional data by PBDB, License: CC BY

Motility: fast-moving
Compositon of the remains:


Reference- and Source indication, Literature


Next lower taxonomy level

On the same taxonomic level (siblings) (Count: 13)

Taxonomic assignment (24)

Occurrences (3)

Locations with GPS information

References by PBDB, License: CC BY

  • W. J. Kennedy, 2018 - Systematic palaeontology - ammonites, in Inoceramids and associated ammonite faunas from the uppermost Turonian-lower Coniacian (Upper Cretaceous) of the Anaipadi–Saradamangalam region of the Cauvery Basin, south-east India - Acta Geologica Polonica (68), 663-687 (journal article, English)
  • M. Wilmsen, 2014 - Kreide-Fossilien in Sachsen, Teil 1, 7. Ammoniten - Geologica Saxonica (60), 201-240 (journal article, German)
  • A. Mosavinia, 2014 - Late Albian ammonites from the Aitamir Formation (Koppeh Dagh, northeast Iran) - Cretaceous Research (50), 72-88 (journal article, English)
  • P. L. Sealey, 2011 - Upper Cretaceous (Turonian) ammonites from the Carlile Member and reference area of the Juana Lopez Member of the Mancos Shale, eastern side of the San Juan Basin, La Ventana, Sandoval County, New Mexico - New Mexico Museum of Natural History and Science Bulletin (53), 370-379 (journal article, English)
  • W. J. Kennedy, 2008 - The upper Albian and lower Cenomanian succession at Kolbay, eastern Mangyshlak (southwest Kazakhstan) - Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Sciences de la Terre (78), 117-147 (journal article, English)
  • J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
  • W. J. Kennedy, 2001 - Santonian Ammonites from the Blossom Sand in Northeast Texas - American Museum Novitates (3332), 1-9 (journal article, English)
  • W. J. Kennedy, 1997 - New ammonoid records from the Merchantville Formation (Upper Cretaceous) of Maryland and New Jersey - American Museum Novitates (3193), 1-17 (serial monograph, English)
  • W. J. Kennedy, 1995 - Parapuzosia (Parapuzosia) seppenradensis (Landois) und die Ammonitenfauna der Dülmener Schichten, unteres Unter-Campan, Westfalen - Geologie und Paläontologie in Westfalen (33), 1-127 (journal article, German)
  • W. J. Kennedy, 1995 - Systematic palaeontology, in Ammonite faunas, biostratigraphy, and sequence stratigraphy of the Coniacian-Santonian of the Corbières (NE Pyrénées) - Bulletin des Centres de Recherches Elf Exploration-Production Elf-Aquitaine (19), 377-499 (journal article, English)
  • T. Matsumoto, 1991 - Ammonites of the Cretaceous Ieru Formation, western Papua New Guinea - BMR Journal of Australian Geology & Geophysics (12), 245-262 (journal article, English)
  • H. C. Klinger, 1989 - Cretaceous faunas from Zululand and Natal, South Africa. The ammonite family Placenticeratidae Hyatt, 1900; with comments on the systematic position of the genus Hypengonoceras Spath, 1924 - Annals of the South African Museum (98), 241-408 (journal article, English)
  • W. J. Kennedy, 1984 - Systematic palaeontology and stratigraphic distribution of the ammonite faunas of the French Coniacian - Special Papers in Palaeontology (31), 1-160 (serial monograph, English)
  • W. A. Cobban, 1983 - Molluscan fossil record from the northeastern part of the Upper Cretaceous seaway, Western Interior - United States Geological Survey Professional Paper (1253), 1-25 (serial monograph, English)
  • W. A. Cobban, 1983 - Mid-Cretaceous (Turonian) ammonite fauna from Fence Lake area of west-central New Mexico - New Mexico Bureau of Mines and Mineral Resources Memoir (41), 1-50 (serial monograph, English)
  • H. C. Kinger, 1980 - Upper Cretaceous ammonites and inoceramids from the off-shore Alphard Group of South Africa - Annals of the South African Museum (82), 293-320 (journal article, English)
  • H. Summesberger, 1979 - Eine obersantone Ammonitenfauna aus dem Becken von Gosau (Oberösterreich) - Annalen des Naturhistorischen Museums in Wien (82), 109-176 (journal article, German)
  • J. Wiedmann, 1978 - Eine paläontologisch interessante Ammonitenfaunula aus der alpinen Gosau (Santon, Becken von Gosau, Oberösterreich) - Eclogae Geologicae Helvetiae (71), 663-675 (journal article, German)
  • S. S. Sarkar, 1966 - On Placenticeras mintoi Vredenburg, 1908, from the Bagh Beds (Cretaceous) of India - Paläontologische Zeitschrift (40), 144-146 (journal article, English)
  • E. Böse, 1928 - Cretaceous ammonites from Texas and northern Mexico - University of Texas Bulletin (2748), 143-357 (serial monograph, English)
  • C. A. Waring, 1917 - Stratigraphic and faunal relations of the Martinez to the Chico and Tejon of Southern California - Proceedings of the California Academy of Sciences (7), 41-124 (journal article, English)
  • F. M. Anderson, 1902 - Cretaceous Deposits of the Pacific Coast - Proceedings of the California Academy of Sciences (2), 1-155 (serial monograph, English)