Polypodiopsida - Polypodiales - Polypodiidae
Parent taxon: Dennstaedtiaceae according to PPG. I 2016
See also Chandra and Tewari 1991, Knowlton 1919 and McIver and Basinger 1993
Sister taxa: Dennastra, Histiopteris, Hypolepis, Microlepia, Microlepiopsis, Pteridium
Subtaxa: Dennstaedtia americana Dennstaedtia concava Dennstaedtia fremonti Dennstaedtia rajmahalensis Dennstaedtia sorimarginata
Distribution:
• Eocene of United States (3: Idaho, Washington collections)
• Paleocene of Canada (3: Saskatchewan), United States (8: Colorado, North Dakota, Wyoming)
• Cretaceous of Canada (1: Alberta), United States (6: Idaho, Wyoming)
• Jurassic of India (1)
Total: 22 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.