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
Brandão, S.N.; Antonietto, L.S; Nery, D.G.; Pereira, J.S.; Praxedes, R.A.; Santos, S.G.; Karanovic, I. (2024). World Ostracoda Database. Geffenina brynhildae (Coryell & Johnson, 1939) Sohn, 1988 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=783777 on 2024-10-05
Marine Species Traits editorial board (2024). Marine Species Traits. Geffenina brynhildae (Coryell & Johnson, 1939) Sohn, 1988 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=783777 on 2024-10-05
original descriptionCoryell, 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
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