Sorhannus, U. (1990). A new planktonic diatom species, Rhizosolenia sigmoida, from upper Pliocene sediments of the equatorial Pacific Ocean. Micropaleontology, 36(1): 102-103, available online athttps://doi.org/10.2307/1485669 page(s): v. 36(1): p. 102; fig. 1-3 [details]
Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2026). DiatomBase. Rhizosolenia sigmoida Sorhannus, 1990. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=960299 on 2026-10-04
original descriptionSorhannus, U. (1990). A new planktonic diatom species, Rhizosolenia sigmoida, from upper Pliocene sediments of the equatorial Pacific Ocean. Micropaleontology, 36(1): 102-103, available online athttps://doi.org/10.2307/1485669 page(s): v. 36(1): p. 102; fig. 1-3 [details]