Category:Protogrammoceras

DomainEukaryota • RegnumAnimalia • SubregnumEumetazoa • CladusBilateria • SuperphylumProtostomia • PhylumMollusca • ClassisCephalopoda • SubclassisAmmonoidea • OrdoAmmonitida • SubordoAmmonitina • SuperfamiliaHildoceratoidea • FamiliaHildoceratidae • Genus: Protogrammoceras Spath, 1913
Wikispecies Wikispecies has an entry on: Protogrammoceras.

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