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Taffertia

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Kingdom
  
Animalia

Superfamily
  
Hildoceratoidea

Subfamily
  
Harpoceratinae

Rank
  
Genus

Subclass
  
Ammonites

Suborder
  
Ammonitina

Family
  
Hildoceratidae

Phylum
  
Mollusca

Order
  
Ammonitida

Taffertia httpsuploadwikimediaorgwikipediacommonsthu

Similar
  
Hildoceratidae, Grammoceras, Harpoceras, Hildoceras, Lytoceras

Taffertia is an extinct genus of cephalopod belonging to the family Hildoceratidae. These cephalopods existed in the Jurassic period, during Toarcian age in the Falciferum zone and possibly only in Exaratum subzone. Its fossils were found in Canada, Morocco, Algeria and Italy

Description

Moderatelly involute, keeled, tectiform, sub-ogival shell with bold, regularly bifurcating ribs. It is similar to Pseudolioceras, but is more evolute and differs from other Harpoceratinae by having bifurcating ribs.

References

Taffertia Wikipedia