Brandão, S. N.; Antonietto, L. S.; Pereira, J. S.; Pereira, S. G. G.; Sá, H. A. B.; Praxedes, R. A.; Sabater, L. M., Santos, S.G.; Karanovic, I. (2025). World Ostracoda Database. Waldronites sigmoidia (Coryell & Williamson, 1936) †. Accessed at: https://www.marinespecies.org/ostracoda/aphia.php?p=taxdetails&id=1565395 on 2025-05-26
original description(ofCornulina sigmoidia Coryell & Williamson, 1936 †)Coryell, H N; Williamson, M. (1936). A study of the ostracoda fauna of the Waldron Shale, Flat Rock Creek, St.Paul, Indiana. <em>American Museum Novitates.</em> 870, 1-7.[details] Available for editors [request]
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