Descriptions of the species of Cycadeoidea, or fossil cycadean trunks, thus far determined from the Lower Cretaceous rim of the Black Hills
Ward, Lester F. (Lester Frank), 1841-1913
Article
1898
Proceedings of the United States National Museum
21
Issue: 1141
195--229
BioStor
English
Washington Smithsonian Institution Press, [etc.]
BioStor: https://biostor.org/reference/78887 DOI: https://doi.org/10.5479/si.00963801.1141.195
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