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Species / Pterocera Arthemis

Pterocera Arthemis

  • Pterocera arthemis d’Orbigny, 1850

Original description of Pterocera arthemis by d’Orbigny, 1850:

  • "Espèce assez grande (55 mill.), les tours striés en travers, le dernier deux fois gibbeux, munis de deux angles qui se terminent dans l'aile, qui parait avoir quatre digitations; angle spiral, 73°."

Locus typicus: Chaumont, Haut-Marne Department, France

Stratum typicum: Callovian, middle Jurassic

Pterocera arthemis d’Orbigny, 1850; Callovian, middle Jurassic; Chaumont, Haute-Marne Department, France; Coll. MNHN no. A06276; Copyright Museum national d'Histoire naturelle Paris

  • 35 mm
  • 37 mm
  • 43 mm

Pterocera arthemis d’Orbigny, 1850; Callovian, middle Jurassic; Chaumont, Haute-Marne Department, France; 20 mm; Coll. MNHN no. A06275; Copyright Museum national d'Histoire naturelle Paris

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