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. Monoceratina sigynae (Coryell & Johnson, 1939) Sohn, 1988 †. Accessed at: https://www.marinespecies.org/ostracoda/aphia.php?p=taxdetails&id=789489 on 2025-05-07
original description(ofLokius sigynae Coryell & Johnson, 1939 †)Coryell, H.N. and Johnson, S.G. (1939a) Ostracoda of the Clore Limestone, Upper Mississippian, of Illinois. Journal of Paleontology 13, 214–224.[details] Available for editors [request]