[1]
Mamay, S.H. 1981. An unusual new species of Dicranophyllum grand’eury from the Virgilian (Upper Pennsylvanian) of New Mexico, U.S.A. Journal of Palaeosciences. 28, (Dec. 1981), 86–92. DOI:https://doi.org/10.54991/jop.1981.1404.