| The Moore Hollow Group of Central Texas |
Barnes, V.E., and Bell, W.C., |
The University of Texas at Austin, Bureau of Economic
Geology Report of Investigations 88, 169 p., 1977 |
| The Wilberns Upper Cambrian Graptolites from Mason, Texas * |
C. E. Decker |
Contributions to Geology, UT Bulletin No. 4401 |
| Late Cambrian and Early Ordovician faunas from the Wilberns
Formation of central Texas |
Don Winston, and Harry Nicholls |
Journal of Paleontology; January 1967; v. 41; no. 1; p.
66-96 |
| Late Cambrian and Early Ordovician Trilobites from the
Marathon Uplift, Texas * |
James Lee Wilson |
Journal of Paleontology, Vol. 28, No. 3, (May, 1954), pp.
249-285 |
| The faunas of the Riley formation in central Texas |
Allison R. Palmer |
Journal of Paleontology; November 1954; v. 28; no. 6; p.
709-786 |
| Trilobites of the Upper Cambrian ptychaspid biomere,
Wilberns Formation, central Texas |
LONGACRE, S.A. |
Bureau of Economic Geology, University of Texas, Austin
Rep. Invest. 66 ; 70 pp.; 1970 |
| Upper Franconian and Trempealeauan Cambrian trilobites and
brachiopods, Wilberns Formation, Central Texas |
W. Charles Bell, and Howard L. Ellinwood |
Bureau of Economic Geology, University of Texas. Report of
investigations, no. 47 / Journal of Paleontology; May 1962; v. 36; no. 3;
p. 385-423 |