Ehrenberg, C.G. (1854). Mikrogeologie. Einundvierzig Tafeln mit über viertausend grossentheils colorirten Figuren, gezeichnet vom Verfasser. [Atlas]. <em>Leopold Voss, Leipzig.</em> 41 pls., available online athttps://www.biodiversitylibrary.org/item/207209 page(s): pl. 33/6, fig. 2 [details]
Pritchard, A. (1861). A history of infusoria, living and fossil: arranged according to Die infusionsthierchen of C.G. Ehrenberg; containing colored engravings, illustrative of all the genera, and descriptions of all the species in that work, with several new ones; to which is appended an account of those recently discovered in the chalk formations. xii. Edition IV, revised and enlarged by J.T. Arlidge, W. Archer, J. Ralfs, W.C. Williamson and the author. London, Whittaker and Co., 1861., xiii + 968 pp., 40 pls. page(s): p. 822 [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. Arthrogyra semilunaris Ehrenberg ex Ralfs in Pritchard, 1861. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=650847 on 2026-07-16
original descriptionEhrenberg, C.G. (1854). Mikrogeologie. Einundvierzig Tafeln mit über viertausend grossentheils colorirten Figuren, gezeichnet vom Verfasser. [Atlas]. <em>Leopold Voss, Leipzig.</em> 41 pls., available online athttps://www.biodiversitylibrary.org/item/207209 page(s): pl. 33/6, fig. 2 [details]
original descriptionPritchard, A. (1861). A history of infusoria, living and fossil: arranged according to Die infusionsthierchen of C.G. Ehrenberg; containing colored engravings, illustrative of all the genera, and descriptions of all the species in that work, with several new ones; to which is appended an account of those recently discovered in the chalk formations. xii. Edition IV, revised and enlarged by J.T. Arlidge, W. Archer, J. Ralfs, W.C. Williamson and the author. London, Whittaker and Co., 1861., xiii + 968 pp., 40 pls. page(s): p. 822 [details]