Cupressinoxylonrotundum R. R. Pujana in R. R. Pujana, María Eugenia Raffi, Eduardo B Olivero, Conifer fossil woods from the Santa Marta Formation (Upper Cretaceous), Brandy Bay, James Ross Island, Antarctica pp.
Growth ring boundaries distinct. Tracheids squarish. Tracheid pitting uniseriate or biseriate, abietinean, mostly spaced but sometimes contiguous. Cross-fields with 1-4 cupressoid pits, mostly 2 pits in a horizontal line. Cross-field pits with included circular aperture. Tangential pits present. Axial parenchyma with smooth transverse walls. Rays uniseriate, rarely with biseriate portions, low, usually 2-12 cells high.
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants (formerly International Code of Botanical Nomenclature) and International Code of Zoological Nomenclature