282 BRITISH AVONIAN CONODONT FAUNAS 
Downs, H. R. & Youncguist, W. L. 1950. Conodonts from the Cedar Valley limestone of 
Iowa. |. Paleont., Chicago, 24 : 667-679, pl. 87. 
DunuaM, K. C. & STUBBLEFIELD, C. J. 1945. The stratigraphy, structure and mineralisation 
of the Greenhow mining area, Yorkshire. Q. Jl geol. Soc. Lond., 100 : 240 
Dunn, D.L. 1965. Late Mississippian conodonts from the Bird Spring Formation in Nevada. 
J. Paleont., Chicago, 39 : 1145-1150, pl. 140. 
Dvorak, J., & FREYER, G. 1961. Die Devon/Karbon—Grenze im Mahrischen Karst (Sudteil 
des Mahrischen Sedimentationsbeckens) auf der Grundlage von Conodontenfaunen. Geologie, 
Berlin, 10 : 881-895. 
Earp, J. R., & Macraw, D. 1955. Tonge’s Marine Band in Lancashire. Bull. geol. Surv. 
Gt By., London, 9 : 22-32. 
Even, R. A. 1954. The Coal Measures of Anthvaconaia lenisulcata zone in the East Midlands 
coalfield. Bull. geol. Surv. Gt Br., London, 5 : 82-84, 94, 105, 106. 
Epwarps, W. 1954. The Yorkshire-Nottinghamshire coalfield, in Trueman, A., The coalfields 
of Great Britain. 187 pp., Edward Arnold, London. 
Epwarps, W. & STUBBLEFIELD, C. J. 1948. Marine bands and other faunal marker-horizons 
in relation to the sedimentary cycles of the Middle Coal Measures of Nottinghamshire and 
Derbyshire. Q. Jl geol. Soc. Lond., 103 : 219, 222-223. 
EICHENBERG, W. 1930. Conodonten aus dem Culm des Harzes. Paldont. Z., Berlin, 12: 
177-182. pl. I. 
Exias, M. K. 1956. Upper Mississippian and Lower Pennsylvanian formations for south- 
central Oklahoma, im Petroleum Geology of Southern Oklahoma. Bull. Am. Ass. Petrol. 
Geol., Chicago, 40 : 56-134, pls. 1-3. 
1956A. Upper Mississippian and Lower Pennsylvanian formations of southern Oklahoma 
(corrections). Bull. Am. Ass. Petrol. Geol., Chicago, 40 : 2513. 
ELLISON, S. P., Jr. 1941. Revision of the Pennsylvanian conodonts. J. Paleont., Chicago, 
15 : 107-143, pls. 20-23. 
ELtison, S. P., Jr. & Graves, R. W., Jr. 1941. Lower Pennsylvanian (Dimple limestone) 
conodonts of the Marathon region, Texas. Bull. Mo. Sch. Mines tech. Ser., 14 (3), 1-13, 
pls. 1-3. 
Eruineton, R. L. 1959. Conodonts of the Ordovician Galena formation. J. Paleont., 
Chicago, 33 : 257-292, pls. 39-41. 
1965. Late Devonian and early Mississippian conodonts from Arizona and New Mexico. 
J. Paleont., Chicago, 39 : 566-580, pls. 67, 68. 
ETHINGTON, R. L. & FurnisH, W. M. 1959. Ordovician conodonts from northern Manitoba. 
J. Paleont., Chicago, 33 : 540-546, pl. 73. 
Etuincton, R. L., FurnisH, W. M. & WinGeERT, J. R. 1961. Upper Devonian conodonts 
from Bighorn Mountains, Wyoming. /. Paleont., Chicago, 35 : 759-768, pl. 90. 
FaHLpBuscH, K. 1964. Die Stellung der Conodontida im Biologischen System. Palaeonto- 
graphica Abt. A, 123 : 137-201, pls. 16-22. 
FLuUGEL, H. & ZIEGLER, W. 1957. Dies Gliederung des Oberdevons und Unterkarbons am 
Steinberg Westlich Graz mit Conodonten. Mitt. naturw. Ver. Steierm., 87 : 25-60, pls. I-5. 
Foss, T. H. 1960. Structure and composition of associated neurodontiformeis and A stvaspis 
scales from the Harding formation of Colorado. J. Paleont. Chicago, 34 : 372-373. 
Fow er, A. 1944. A deep bore in the Cleveland Hills. Geol. Mag., London, 81 : 193-206. 
1955. The zonal sequence in the Carboniferous rocks of Southeast Tyrone. Bull. geol. 
Surv. Gt By., London, 5 : 38-43. 
FREYER,G. 1961. Zur Taxionomie und Biostratigraphie der Conodonten aus dem Oberdevon 
des Vogtlandes unter besonderer Berucksichtigung des To V/VI. Fveiberger Forschrungsh., 
Berlin, 95 : 1-96, pls. I-VI. 
Garwoop,E. J. 1913. Onthe important part played by calcareous algae at certain geological 
horizons, with special reference to the Palaeozoic rocks. Geol. Mag., London, 50 : 440-446, 
498-553. 
