24 ILLINOIS STATE GEOLOGICAL SURVEY CIRCULAR 445 



Smith, A. H. V., and M. A. Butterworth, 1967, Miospores in the coal seams of the 

 Carboniferous of Great Britain: Special Papers in Palaeontology: Palaeon- 

 tol. Assoc. London, no. 1, 324 p. 



Staplin, F. L., 196 0, Upper Mississippian plant spores from the Golata Formation, 

 Alberta, Canada: Palaeontographica, Bd. 107 B, no. 1-3, p. 1-40. 



Staplin, F. L., 1961, Reef-controlled distribution of Devonian microplankton in 

 Alberta: Palaeontology, v. 4, pt. 3, p. 394-424. 



Streel, M., 1964, Une association de spores du Givetien inferieur de la Vesdre, 

 a Goe' (Belgigue): Ann. Soc . Geol. de Belgique, v. 87, no. 7, p. 1-29. 



Sullivan, H. J., 1964, Miospores from the Lower Limestone shales (Tournaisian) 

 of the Forest of Dean basin Gloucestershire: Compte Rendu, Cinquieme 

 Congres International de Stratigraphie et de Geologie du Carbonifere, 

 Tome III, p. 1249-1260. 



Urban, J. B., 1968, Dibrochosporites, a new sporomorph from the Middle Devon- 

 ian of Iowa: Micropaleontology, v. 14, no. 3, 371-375. 



Winslow, M. R., 1962, Plant spores and other microfossils from Upper Devonian 

 and Lower Mississippian rocks of Ohio: U.S. Geol. Survey Prof. Paper 

 364, 93 p. 



