On the affinities of Leptarctus primus of Leidy. Bulletin of the AMNH ; v. 6, article 8
Leidy, Joseph, 1823-1891 Wortman, J. L. (Jacob Lawson), 1856-1926
Book
1894
English
Wikidata: https://www.wikidata.org/entity/Q51513904
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