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Species / Columbellaria Laevicostata


Original Description of Columbellaria laevicostata by Abdel-Gawad, 1986

  • "The shell is large, with a turret-like, and elevated high spire. The whorls are in number about eight, convex, regularny increasing in size, and spirally ornamented with five cords. The suture is slightly impressed. The last whorl is ornamented with six spiral cords. The basal part is smooth. The aperture is not completely preserved, and only four small digitations are preserved which are joined with the shell-webbing."

Locus typicus: Piotrawin, Opole Lubelskie County, Poland

Stratum typicum: Nostoceras pozaryskil zone, Campanian, Cretaceous


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