Polypodiopsida - Polypodiaceae
Synonyms: Thyrsopteris alata Fontaine 1889, Thyrsopteris angustiloba Fontaine 1889, Thyrsopteris bella Fontaine 1889, Thyrsopteris decurrens Fontaine 1889, Thyrsopteris densifolia Fontaine 1889, Thyrsopteris distans Fontaine 1889, Thyrsopteris elliptica Fontaine 1889, Thyrsopteris inaequipinnata Fontaine 1889, Thyrsopteris microloba Fontaine 1889, Thyrsopteris pachyrachis Fontaine 1889, Thyrsopteris pinnatifida Fontaine 1889, Thyrsopteris rarinervis Fontaine 1889, Thyrsopteris rhombifolia Fontaine 1889, Thyrsopteris rhombiloba Fontaine 1889, Thyrsopteris varians Fontaine 1889, Thyrsopteris virginica Fontaine 1889
Belongs to Onychiopsis according to F. H. Knowlton 1919
Sister taxa: Onychiopsis brevifolia, Onychiopsis elongata, Onychiopsis latiloba, Onychiopsis nervosa, Onychiopsis paradoxus, Onychiopsis psilotoides
Distribution:
• Cretaceous of United States (3: Wyoming collections)
Total: 3 collections including 4 occurrences
Specimen images are retrieved through the ePANDDA API.
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