Angiospermae - Rosales - Rhamnaceae

Parent taxon: Rhamnaceae according to F. H. Knowlton 1919

See also Andrews 1970

Sister taxa: Alphitonia, Archaeopaliurus, Berchemia, Berchemiopsis, Berhamniphyllum, Ceanothus, Colubrina, Condalia, Emmenosperma, Eorhamnidium, Helobiaephyllum, Hovenia, Hoveniphyllum, Johnstonalia, Karwinskia, Lasiodiscus, Notiantha, Paliurites, Paliurus, Phyliceae, Pomaderris, Pomaderrites, Protolotus, Reynosia, Rhamneaepites, Rhamnella, Rhamnidium, Rhamnites, Rhamnospermum, Rhamnoxylon, Rhamnus, Suessenia, Ventilago, Ziziphus, Zizyphoxylon, Zizyphus

Subtaxa: Rhamnacinium affine Rhamnacinium porcupinianum Rhamnacinium radiatum Rhamnacinium texanum Rhamnacinium triseriatum

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Type: Rhamnacinium affine

Ecology: "photoautotroph"

Distribution: found only at Specimen Ridge, near Crystal Creek (Eocene of Wyoming)

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Specimen images are retrieved through the ePANDDA API.