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Restudy of some Burgess shale fossils
Published in Proceedings of the United States National Museum, in 1930, in volume 78, issue 2854, pages 1-24
Created: 2013-02-27, modified: 2013-02-27
Apoidea, Sphecoidea, and Vespoidea
Published in Insects of Samoa and other Samoan terrestial arthropoda, in 1928, in volume Part V, issue 1, pages 1-32
Created: 2015-03-29, modified: 2015-03-29