†Calamites undulatus Sternberg 1825 (fern)
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Polypodiopsida - Equisetales - Equisetidae
Belongs to Calamites according to D. L. Dilcher et al. 2005
Sister taxa: Calamites (Mesocalamites), Calamites aliwalensis, Calamites goepperti, Calamites radiatus, Calamites suckowii
Distribution:
• Permian of Spain (1 collection), United States (1: Texas)
• Carboniferous of Canada (1: Nova Scotia), Germany (1), United States (8: Alabama, Kentucky, Michigan, Ohio)
Total: 12 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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