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Penosphyllum Hickey 1977

Magnoliopsida - Malvales - Sterculiaceae

PaleoDB taxon number: 55326

Full reference: L. J. Hickey. 1977. Stratigraphy and paleobotany of the Golden Valley Formation (Early Tertiary) of western North Dakota. The Geological Society of America Memoir 150:1-183

Parent taxon: Sterculiaceae according to L. J. Hickey 1977

Sister taxa: Brachychiton, Buettneria, Buettnerieae, Dombeya, Firmianites, Pterospermites, Triplochitioxylon

Subtaxa: Penosphyllum cordatum

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Type: Pterospermites cordatus