Guettarda Endlicher
Magnoliopsida - Asteridae - Asteridae
PaleoDB taxon number: 192474
Parent taxon: Rubiaceae according to W. Kiessling 2009
Sister taxa: Asperula, Canthidium, Cinchonidium, Coprosma, Galium, Grumileophyllum, Hodgkinsonia, Hoffmannia, Ixorophyllum, Mitragynaxylon, Morinda, Nertera, Ophiorrhiza, Palaeocoprosmadites, Psychotriphyllum, Randia, Rubiaceaecarpum, Rubiaceocarpum, Rubioides, Rubioxylon, Valerianellites
Subtaxa: Guettarda cookei