Septanychus McGregor 1920

McGregor 1920. The red-spiders of America and a few European species likely to be introduced. Washington DC Smithsonian Institution U S National Museum Proceedings, 56 1920: (641-679)

McGregor 1919. The Red Spiders of America and a few European species likely to be introduced, Washington D.C. Smithsonian Inst. Proceedings of the United States National Museum, 56 1919: (641-679)