Английская Википедия:Acanthoscaphites

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Шаблон:Short description Шаблон:Automatic taxobox

Acanthoscaphites is an extinct genus of cephalopod belonging to the Ammonite subclass. The average diameter of its shell was approximately Шаблон:Convert, but some specimens have been found with a diameter of slightly over Шаблон:Convert.

Classification

Acanthoscaphites was first described by Schluter in 1872. Subsequent taxonomic revisions indicate that the relationship between Acanthoscaphites and Trachyscaphites is still unclear: Acanthoscaphites may have evolved in parallel with or as a derivative of Trachyscaphites.[1]

Species

  • A. plenus
  • A. tridens
  • A. verneuilianus

Biogeography

Acanthoscaphites was a widespread genus during Campanian and Maastrichtian times, approximately 80 million years ago.[1] Its remains can be found in rocks of that age from Europe and North America.[2]

References

Шаблон:Reflist

Шаблон:Portal Шаблон:Taxonbar


Шаблон:Ammonitida-stub