page_title: Sagenopteris trapialensis
hierarchical_section_title: Sagenopteris trapialensis
caption_attribution_description: English: Complete leaf of Sagenopteris trapialensis, venation not visible. Isolated Caytonanthus synangia can be seen above the leaf.
context_page_description: Sagenopteris trapialensis are leaves of extinct species of seed ferns from Chubut, Patagonia Argentina. At the moment, S. trapialensis is based on impression fossils found in the Early Jurassic Lonco Trapial Formation near Paso del Sapo, Chubut Province.
context_section_description: Sagenopteris trapialensis are leaves of extinct species of seed ferns from Chubut, Patagonia Argentina . At the moment, S. trapialensis is based on impression fossils found in the Early Jurassic Lonco Trapial Formation near Paso del Sapo, Chubut Province.
caption: Complete Sagenopteris trapialensis leaf, venation obscured
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