Hanna, G D. (1927). Cretaceous diatoms from California. <em>Occasional Papers of the California Academy of Sciences.</em> 13: 5-49 [including 5 plates]., available online athttps://www.biodiversitylibrary.org/page/3143126 page(s): p. 20; pl. 2, fig. 7, 8 [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. (2025). DiatomBase. Glorioptychus callidus Hanna, 1927 †. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=616713 on 2026-07-08
original descriptionHanna, G D. (1927). Cretaceous diatoms from California. <em>Occasional Papers of the California Academy of Sciences.</em> 13: 5-49 [including 5 plates]., available online athttps://www.biodiversitylibrary.org/page/3143126 page(s): p. 20; pl. 2, fig. 7, 8 [details]