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Dagnoceras

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Dagnoceras
Temporal range: Olenekian[1]
Scientific classification
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Dagnoceras
Species [2]
  • D. zappanense

Dagnoceras is a ceratitid ammonite from the Lower Triassic[1] that has a basically evolutute, discoidal shell with an arched venter and ceratitic sutures. The Treatise 1957 includes it in the Meekoceratidae although it has since been placed in the Dinaritidae.

References

Notes
  1. ^ a b Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)
  2. ^ "Paleobiology Database - Dagnoceras". Retrieved 2014-05-28. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)
Bibliography
  • Arkell, et al, 1957. Treatise on Invertebrate Paleontology Part L, Mesozoic Ammonoidea. Geological Society of America.