Ophiorrhiza Linnaeus
Magnoliopsida - Asteridae - Asteridae
PaleoDB taxon number: 320019
Parent taxon: Rubiaceae according to Jussieu 1789
Sister taxa: Asperula, Canthidium, Cinchonidium, Coprosma, Galium, Grumileophyllum, Guettarda, Hodgkinsonia, Hoffmannia, Ixorophyllum, Mitragynaxylon, Morinda, Nertera, Palaeocoprosmadites, Psychotriphyllum, Randia, Rubiaceaecarpum, Rubiaceocarpum, Rubioides, Rubioxylon, Valerianellites
Subtaxa: none