Biology:Diamanticeras

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Short description: Genus of Cretaceous ammonite cephalopods

Diamanticeras
Temporal range: Upper Hauterivian[1]
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Suborder: Ancyloceratina
Family: Crioceratitidae
Genus: Diamanticeras
Jean Vermeulen, 2004
Type species
Neohoplites diamantensis
Gerth, 1925
Species
  • Diamanticeras bederi Gerth, 1925
  • Diamanticeras diamantense Gerth, 1925
  • Diamanticeras schlagintweiti Giovine, 1950

Diamanticeras is an extinct genus of Cretaceous-aged ammonite cephalopod belonging to the family Crioceratitidae. It is probably phyletically linked to genus Crioceratites.[2] Their fossils were found in Chile and Argentina.[1][3]

Description

This genus is a lineage of non-tuberculate species that is characteristic by its rewinded shells. Primary ribs are rounded, wide, sometimes bifurcating. They are crossing the venter without interruption and can be paired. Secondary ribs are more or less vigorous, weakened or erased at venter and they are also usually simple.[2]

References

  1. 1.0 1.1 AGUIRRE-URRETA, M. Beatriz et al., 2007. The Lower Cretaceous Chañarcillo and Neuquén Andean basins: ammonoid biostratigraphy and correlations. Geological Journal, 42.2: 143.
  2. 2.0 2.1 VERMEULEN, Jean. Vers une nouvelle classification afondement phylogénétique des ammonites hétéromorphes du Crétacé inférieur méditerranéen. Le cas des Crioceratitidae GILL, 1871, 69-92.
  3. MOURGUES, Francisco Amaro. Advances in ammonite biostratigraphy of the marine Atacama basin (Lower Cretaceous), northern Chile, and its relationship with the Neuquén basin, Argentina. Journal of South American Earth Sciences, 2004, 17.1: 3-10.

Wikidata ☰ Q21219785 entry