Calamites undulatus Sternberg 1825 (fern)

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)

• Westphalian of United States (1: Alabama)

• Pennsylvanian of United States (4: Kentucky, Michigan, Ohio)

• Mississippian of Canada (1: Nova Scotia)

• Carboniferous of Germany (1), United States (3: Kentucky)

Total: 12 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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