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Dagnoceras

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Dagnoceras
Temporal range: Olenekian[1]
Scientific classification
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Dagnoceras

Arthaber 1911
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

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Notes
  1. ^ a b Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
  2. ^ "Paleobiology Database - Dagnoceras". Retrieved 17 December 2021.
Bibliography
  • Arkell, et al., 1957. Treatise on Invertebrate Paleontology Part L, Mesozoic Ammonoidea. Geological Society of America.