Crioceras duvali – Cretaceous – France

Crioceras duvali

Hauterivien, Cretaceous

Alps, France

 Crioceras duvali 01a

Specimen 01

 

CRIOCERAS DUVALI

Item number: 200275021668

Starting bid: US $370.00 

Ended: Nov-22-08 14:53:46 PST

History: 0 bids

Seller: serv-ch

 

 

Crioceras duvali Hauterivien des Alpes. Diametre 7 cm Enroulement en spirale non jointive, tendance allant en augmentant avec l’âge. Section ovale à subrectangulaire dont la partie ventrale est plus ou moins subtrapézoïdale. Côtes secondaires denses, arrondies, droites à flexueuses, non tuberculées, partant seules ou en faisceaux de la ligne ombilicale. Côtes principales plus fortes portant des épines ventrolatérales, ombilicales ou latérales. Crioceras duvali Hauterivien of the Alps France. Exemplary diameter 7 cm Rolling up in nonjointed spiral, tendency being increasing with the age. Oval section with subrectangulaire of which the ventral part is more or less subtrapézoïdale. Secondary coasts dense, round, right-hand sides with flexuous, not tuberculées, therefore only or in beams of the umbilical line. Stronger carrying spines ventrolatérales, umbilical or side principal coasts.

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