Mendez's fossil kauri wood (Agathoxylon mendezii)

Agathoxylon mendezii

Fossilized remains of Agathoxylon mendezii trace back to the Lower Cretaceous period in the Springhill Formation of Patagonia, Argentina. This ancient araucarian wood is particularly notable for preserving evidence of recurrent volcanic activity within its paleoenvironment.

Taxonomy

  • царство Plantae
  • division Tracheophytes (Vascular Plants)
  • subdivision Spermatophytes (Seed plants)
  • superclass Gymnospermae (Gymnosperms)
  • division Pinophyta
  • subclass Cupressidae
  • order Araucariales (Southern pines and monkey-puzzles)
  • family Araucariaceae (Araucaria family)
  • genus Agathoxylon (Agathis-wood fossil genus)
  • species Agathoxylon mendezii (Mendez's fossil kauri wood)

Living Pulse

Morphology

Paleobotanists classify Agathoxylon mendezii based on the cellular anatomy of its fossilized wood. The structural details display clear araucarian affinities, which are characteristic of the extinct conifer forests that once dominated the region.

Interesting facts

The preserved wood of this species contains direct physical evidence of recurrent volcanic events, allowing scientists to reconstruct the dynamic paleoenvironmental conditions of Early Cretaceous Patagonia.

Geography of distribution

  • Argentina

Sources

  • Del Fueyo, G.D., Carrizo, M.C., Poiré, D.P. & Diaz, M.D. (2021). Recurrent volcanic activity recorded in araucarian wood from the Lower Cretaceous Springhill Formation, Patagonia, Argentina.

See also

True Araucarias

True Araucarias

Araucaria sect. Araucaria

Araucaria sect. Araucaria is a botanical section of evergreen conifers native to South America. It …