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Gabbott, S.E.; Aldridge, R.J.; Theron, J.N. (1998). "Chitinozoan chains and cocoons from the Upper Ordovician Soom Shale lagerstatte, South Africa; implications for affinity". Journal of the Geological Society. 155 (3): 447–452. Bibcode:1998JGSoc.155..447G. doi:10.1144/gsjgs.155.3.0447. S2CID129236534.
Jenkins, W.A.M. (1970). "Chitinozoa". Proceedings of the Annual Meeting. American Association of Stratigraphic Palynologists. 1: 1–21. doi:10.2307/3687298. JSTOR3687298.
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Winchester-seeto, T.; Foster, C.; O'Leary, T. (2000). "The environmental response of Middle Ordovician large organic walled microfossils from the Goldwyer and Nita Formations, Canning Basin, Western Australia". Review of Palaeobotany and Palynology. 113 (1–3): 197–212. doi:10.1016/S0034-6667(00)00060-9. PMID11164220.
Gabbott, S.E.; Aldridge, R.J.; Theron, J.N. (1998). "Chitinozoan chains and cocoons from the Upper Ordovician Soom Shale lagerstatte, South Africa; implications for affinity". Journal of the Geological Society. 155 (3): 447–452. Bibcode:1998JGSoc.155..447G. doi:10.1144/gsjgs.155.3.0447. S2CID129236534.