Hoffmanniinae

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Hoffmanniinae is an adrianitid ammonoid cephalopod subfamily established for the Middle Permian genus Hoffmannia.

Hoffmannia, named by Gemmellaro in 1887, is a discoidal adrianitid with a large umbilicus, prominent growth lines, and sutures with about 20 lobes.[1] Note that the genus Hoffmannia is included in the Adrianitinae in the older Treatise on Invertebrate Paleontology volume on Ammonoidea[1] and that it has been reassigned to the Hoffmanniinae, named by Spath in 1934, revived in the new Treatise volume on Carboniferous and Permian Ammonoidea.[2]

References

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  1. a b Miller, Furnish, and Schindewolf (1960) ; Paleozoic Ammonoidea, in the Treatise on Invertebrat Paleontology, Part L, Ammonoidea
  2. Furnish et al. 2009;Treatise on Invertebrate Paleontology, Part L, Revised;

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External links

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