Dunagan, S. P. (1999). A North American freshwater sponge (Eospongilla morrisonensis new genus new species) from the Morrison formation (Upper Jurassic), Colorado. Journal of Paleontology. 73(3): 389-393.
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Dunagan, S. P.
1999
A North American freshwater sponge (Eospongilla morrisonensis new genus new species) from the Morrison formation (Upper Jurassic), Colorado