†Cairoa Matten 1973
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Parent taxon: Progymnospermopsida according to A. M. Blazer 1975
Sister taxa: Praeramunculus, Tetraxylopteris
Subtaxa: Cairoa lamanekii
Type: Cairoa lamanekii
Distribution:
• Givetian of United States (1: New York collection)
• Devonian of United States (1: New York)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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