Stromboidea

• Aporrhaidae
  • Dicroloma
    • Dicroloma athulia (d’Orbigny, 1850)

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

• "Espèce courte (58° d'angle spiral), à tours carénés, le dernier à deux fortes carènes et strié en long."

Locus typicus: Chaumont, Haute-Marne Department, France

Stratum typicum: Callovian, middle Jurassic

Pterocera athulia (d’Orbigny, 1850); Callovian, middle Jurassic; Chaumont, Haute-Marne Department, France; Coll. MNHN no. A06273; Copyright Museum national d'Histoire naturelle Paris

Pterocera athulia (d’Orbigny, 1850); Syntype; Callovian, middle Jurassic; Pizieux, Sarthe Department, France; Coll. MNHN no. A06274; Copyright Museum national d'Histoire naturelle Paris

• 15 mm
• 14 mm - 14 mm - 17 mm

History and Synonymy

1867

Alaria athulia in Piette 1867, pl. 30, fig. 1 - 8

Alaria athulia in Piette 1867, pl. 34, fig. 1 - 4

Alaria athulia in Piette 1867, pl. 39, fig. 2 - 5

Alaria athulia in Piette 1867, pl. 40, fig. 5

References:

• d'Orbigny, 1850
• Piette, 1864-1891