Английская Википедия:Acanthaecites

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Шаблон:Short description Шаблон:Italic title Шаблон:Taxobox Acanthaecites is an extinct cephalopod genus belonging to the ammonoid family Oppeliidae first described by Rollier in 1909.[1] Acanthaecites both appears and disappears from the fossil record during the Callovian stage of the Jurassic Period.

The shell of Acanthaecites is small, globose and smooth except for a median ventral row of distinct sharp serrations.

References

Notes

Шаблон:Reflist

Bibliography
  • W.J. Arkell, et al. 1957. Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Ammonoidea. University of Kansas Press.

Шаблон:Taxonbar