Nomenclatural act

Plant Fossil Names Registry Number: PFN002657
Act LSID: urn:lsid:plantfossilnames.org:act:2657
Cycadeoidea maccafferyi sp. nov.
Rothwell, G. W. & Stockey, R. A. (2002): Anatomically preserved Cycadeoidea (Cycadeoidaceae), with a reevaluation of systematic characters for the seed cones of Bennettitales. – American Journal of Botany 89(9): 1447–1458.