Rhaeboceras

Rhaeboceras is an extinct genus of ammonite belonging to the subfamily Scaphitinae. Species belonging to the genus lived during the Cretaceous and have been found in the Pierre Shale of North America.[1][2][3]

Rhaeboceras
Temporal range: Cretaceous
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ammonitida
Suborder: †Ancyloceratina
Family: †Scaphitidae
Subfamily: †Scaphitinae
Genus: †Rhaeboceras
Meek 1876
Species[1]
  • †R. burkholderi
    Cobban, 1987
  • †R. cedarense
    Grier and Grier, 2015
  • †R. robustus
    Warren, 1934

Taxonomy

The genus Ponteixites is currently deemed a junior synonym of Rhaeboceras, with most specimens formerly assigned to Ponteixites appearing to be juveniles. The finding of a larger fossil specimen assigned to P. robustus similar to these juvenile remains provides evidence supporting this lumping.[2]

References
  1. "Rhaeboceras Meek 1876 (ammonite)". Fossilworks. Macquarie University. 2007. Retrieved 17 December 2021.
  2. Grier, J. W.; Grier, J. C.; Larson, N. L.; Petersen, J. G. (2007-12-01). "Synonymy of the ammonite genus Ponteixites Warren with Rhaeboceras Meek". Rocky Mountain Geology. 42 (2): 123–136. doi:10.2113/gsrocky.42.2.123. ISSN 1555-7332.
  3. Grier, Joyce C.; Grier, James W. (May 1998). "New findings of the ammonite Rhaeboceras, including a new species, from the Pierre Shale of eastern Montana". Journal of Paleontology. 72 (3): 473–476. doi:10.1017/S0022336000024227. ISSN 0022-3360. S2CID 130705667.


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