Fossilized remains of Ginkgoites tigrensis offer a fascinating glimpse into the Cretaceous flora of Patagonia. These prehistoric leaf impressions reveal the wide geographical distribution of the ginkgo lineage during the Mesozoic era. Researchers study these specimens to reconstruct ancient climates and ecosystems of the southern hemisphere.
The leaves of this fossil species exhibit a classic flabelliform, or fan-shaped, lamina. The leaf margin is typically divided into distinct lobes, which is a characteristic feature of the genus. Dichotomous venation runs throughout the leaf surface, supplying structure to the ancient photosynthetic tissue.
Microscopic analysis of the fossilized cuticle reveals the arrangement of stomata and epidermal cells. These structural details indicate adaptation to specific environmental conditions, including atmospheric carbon dioxide levels of the Cretaceous period.
External Databases: GBIF
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