Below are details of all references quoted in the photomicrograph gallery pages.
Elsik, W C. 1999. The Great Paleozoic Crisis: life and death in the Permian. (New York: Columbia University Press.)
Eshet, Y, Rampino, M R, and Visscher, H. 1995. Fungal event and palynological record of ecological crisis and recovery across the Permian-Triassic boundary. Geology, Vol. 23, 967-970.
Foster, C B. 1979. Permian Plant Microfossils of the Blair Atholl Coal Measures, Baralaba Coal Measures and Basal Rewan Formation of Queensland. Geological Survey of Queensland Publication, No. 372, 244pp.
Foster, C B, Stephenson, M H, Marshall, C, Logan, G A, and Greenwood, P. in prep. Description, illustration, comparison and biological affinities of species of the genus Reduviasporonites Wilson 1962.
Krassilov, V A, Afonin, S A, and Barinova, S S. 1999Tympanicysta and the terminal Permian events. Permophile, No. 35, 16-17.
Morgan, B E. 1967 Palynology of a portion of the El Reno Group (Permian), southwest Oklahoma. Unpublished PhD thesis, University of Oklahoma.
Stephenson, M H, and Filatoff, J. 2000 Description and correlation of Late Permian palynological assemblages from the Khuff Formation, Saudi Arabia and evidence for the duration of the pre-Khuff hiatus. In Al-Hajri, S. & Owens, B. (eds.) Stratigraphic palynology of the Palaeozoic of Saudi Arabia, Gulf Petrolink, Bahrain. GeoArabia Special Publication No. 1, p. 210.
Visscher, H, Brinkhuis, H, Dilcher, D L, Elsik, W C, Eshet, Y, Looy, C, Rampino, M R, and Traverse, A. 1996. The terminal Paleozoic fungal event: evidence of terrestial ecosystem destabilisation and collapse.Proceedings of the National Academy of Science USA, Vol. 93, 2155-2158
Wilson, L R. 1962 A Permian fungus spore type from the Flowerpot Formation of Oklahoma. Oklahoma Geology Notes, Vol. 22, 91-96.
Wood, G D, and Elsik, W C. 1999. Paleoecologic and stratigraphic importance of the fungus Reduviasporonites stoschianus from the Early-Middle Pennsylvanian of the Copacabana Formation, Peru. Palynology, Vol. 23, 43?53.
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