Monkey puzzle tree
Araucaria
Araucaria is a genus of majestic, evergreen coniferous trees native to the Southern Hemisphere. Known …
Millions of years ago, the dry landscapes of what is now the Southwestern United States were covered by lush, ancient forests that eventually transformed into shimmering crystalline monuments. The fossilized remains of the prehistoric conifer genus Crystalloxylon tell a silent story of late Triassic ecosystems frozen in time.
First discovered in the iconic Crystal Forest of Arizona's Petrified Forest National Park, these massive logs were preserved through a unique process of silica mineralization. Today, Crystalloxylon serves as a crucial window into the diverse gymnosperm woodlands that dominated the Mesozoic era.
The cellular structure of Crystalloxylon shows detailed evolutionary adaptations of Triassic gymnosperms. Analysis of the petrified specimens reveals the following internal features:
The story of Crystalloxylon is closely tied to the geologic history of the American Southwest and the evolution of paleobotany.
External Databases: GBIF
Araucaria
Araucaria is a genus of majestic, evergreen coniferous trees native to the Southern Hemisphere. Known …
Wollemia
The Wollemi Pine (Wollemia nobilis) is a rare coniferous tree native to Australia. Discovered in …
Agathis
Agathis is a genus of monumental coniferous trees native to the Southern Hemisphere. Known for …
Pagiophyllum
A form genus of fossil coniferous foliage widespread from the Carboniferous to the Cretaceous period.