Berriasella (Berriasella) callisto

  • Brand: Francia
  • Product Code: AM002
  • Availability: In Stock
  • 168.00€

Age: Cretaceous-Berriasian. 

Location: Gard, France.

Diameter: 6 cm.

Berriasella has a highly developed process. The ammonites have separate sexes and in some cases they display a marked sexual dimorphism, in which micro- and macroconchas are represented that respectively had to correspond to males and females. Adult microconchas develop lateral processes; instead, adult macroconchas maintain a shell with simple peristoma.

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