[Rockhounds] Texas Paleontologic Papers Available Online in University of Texas Bulletins

[Paul]

Various University of Texas Bulletins, which are available online
as PDF files contain in the form of Contributions to Geology,
papers about the fossils of Texas. For example, there is:

University of Texas Bulletin 4401, Contributions to Geology, 1944
https://repositories.lib.utexas.edu/handle/2152/23430

University of Texas Bulletin 4401 contains papers about graptolites from the
Cambrian of the Llano Uplift; corals from the Carboniferous of the Llano
Uplift; Foraminifera from the Upper Carboniferous; vertebrates from the
Triassic, Howard County, Texas; Cretaceous crustaceans from Dallas County;
  and Pliocene vertebrates from the Texas High Plains.

Also, there is University of Texas Bulletin 3945, Contributions
to Geology, 1939, which contains Crinoids from the upper
Carboniferous and Permian strata in Texas,by  Raymond Cecil
Moore; F. B. Plummer, Univ. Texas Pub. 3945, Dec. 1, 1939, pp. 9-468
https://repositories.lib.utexas.edu/handle/2152/23428

Graptolite Faunas of the Marathon Region, West Texas
https://repositories.lib.utexas.edu/handle/2152/60683

The Ellenburger Group of Central Texas
https://repositories.lib.utexas.edu/handle/2152/53800

Index to other University of Texas Bulletins and Publications
https://repositories.lib.utexas.edu/handle/2152/18537

Example of search for "ammonites" in University of Texas Bulletins
https://repositories.lib.utexas.edu/handle/2152/18537/discover?rpp=10&etal=0&query=ammonites&group_by=none&page=2

Yours,

Paul H.