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Temporal range: Cenomanian–Campanian[1]
Parapuzosia seppenradensis 3.jpg
Parapuzosia seppenradensis with a diameter of 1.8 m (5.9 ft)
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Desmoceratidae
Genus: Parapuzosia
Nowak, 1913
Type species
Sonneratia daubreei
Grossouvre, 1894
Species [2]

Parapuzosia is an extinct genus of desmoceratid ammonites from the Cenomanian to the Campanian of Africa, Europe, and North America.[2] They are typically very large ammonites, reaching diameters of 60 cm (2.0 ft) or more, with the largest species measuring upwards of more than 3 m (9.8 ft).[3] It possesses a moderately involute shell with flat or slightly rounded sides. Distinct primary and secondary ribbing can be observed in the inner whorls.[4]


The origin of the generic name Parapuzosia ("similar to Puzosia") comes from the smaller, related desmatoceratid Puzosia. "Puzosia" comes from the Serbian words "пужа/Puzo" (Snail) and "Oca/Osia" (Axis), translating to "snail axis".[citation needed]


  1. ^ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
  2. ^ a b "Paleobiology Database - Parapuzosia". Retrieved 7 April 2016.
  3. ^
  4. ^ Neal L. Larson; Steven D. Jorgensen; Robert A. Farrar & Peter L. Larson (1997). Ammonites and the Other Cephalopods of the Pierre Seaway. Geoscience Press, Inc. p. 44. ISBN 0-945005-34-2.