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PTYCHITACEAE [1 record]

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Record 1 1977-07-22

English

Subject field(s)
  • Paleontology
OBS

[Ammonites of the superfamily ptychitaceae are] typically involute, subglobular to discoidal descendants of L. Triassic paranannitids, with globose inner whorls. [The] suture [is] ammonitic but including some forms with ceratitic or goniatitic sutures. Conch [is] smooth with lateral folds or strigations (...). "M. Trias.-U. Trias".

French

Domaine(s)
  • Paléontologie
OBS

[Les Ammonites de la super-famille des ptychitaceae sont des] formes involutes, étroitement ombiliquées, subdiscoide, [avec des] sutures légèrement ammonitiques.

Spanish

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