†Sphenophyllum thonii Mahr 1968
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Equisetopsida - Sphenophyllales
Belongs to Sphenophyllum according to Mahr 1968
Sister taxa: Sphenophyllum churulianum, Sphenophyllum crenulatum, Sphenophyllum elongatum, Sphenophyllum emarginatum, Sphenophyllum gondwanensis, Sphenophyllum radiatum, Sphenophyllum utkalensis, Sardykphyllum crassinervosum
Distribution:
• Permian of Germany (5 collections), United States (1: Kansas)
• Carboniferous of Portugal (1)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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