1.4" Cissus Marginata Fossil Plant Leaf And Unknown Plant Fort Union Glendive MT Stand

Cissus Marginata Fossil Leaf – Rare Paleocene Plant Fossil

Step into the world of early Paleocene flora with this exquisite Cissus Marginata fossil leaf, dating to approximately 66–56 million years ago. This fossil originates from a pivotal period immediately following the Cretaceous–Paleogene mass extinction, which saw the disappearance of non-avian dinosaurs, giant marine reptiles, and countless other species, leaving ecological niches open for plants and animals to flourish. During the Paleocene, Earth’s climate was warm and ice-free, with dense tropical, subtropical, and deciduous forests stretching even to polar regions, creating some of the first recognizable modern rainforests.

This era marked the rise of modern plant lineages, including early flowering plants (angiosperms), palms, and cacti, which thrived in the absence of large herbivorous dinosaurs. The Cissus Marginata leaf fossil preserves intricate details of leaf structure, offering a rare window into the composition, diversity, and resilience of early modern forests. Fossils like this illustrate how vegetation recovered and diversified after one of Earth’s greatest extinction events.

Perfect for fossil collectors, paleobotany enthusiasts, educators, and museums, this Cissus Marginata fossil leaf is both a scientific treasure and a visually striking display piece, providing a tangible connection to prehistoric forests and the early evolution of modern plant life. It is an exceptional specimen that combines educational value, rarity, and natural beauty, making it a must-have for any collection or exhibit.