Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA
Author
Titus, A. L.
D. Korn & Grand Staircase-Escalante National Monument, 669 S. Highway 89 A, Kanab, UT 84741, USA
Author
Korn, D.
J. E. Harrell & Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43,
Author
Harrell, J. E.
L. L. Lambert & Noble Energy Inc., Houston, TX 77070, USA
Author
Lambert, L. L.
Department of Geological Sciences, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249, USA
text
Fossil Record
2015
2015-06-04
18
2
81
104
http://dx.doi.org/10.5194/fr-18-81-2015
journal article
298388
10.5194/fr-18-81-2015
49a593d2-44ce-420d-a608-8533ec6745ac
2193-0074
11585625
Table 1. Conch dimensions (in millimetres) and proportions for Girtyoceras hamiltonense Korn and Titus, 2011, from the Sierra Diablo.| Specimen | dm | ww | wh | uw | ah | ww / dm | ww / wh | uw / dm | WER |
|---|
| NPL 68361 | 21.9 | 9.1 | 10.9 | 4.0 | 7.0 | 0.42 | 0.83 | 0.18 | 1.94 |
|---|
| same | 17.3 | 8.4 | 8.5 | 3.6 | – | 0.49 | 0.99 | 0.21 | – |
|---|
| NPL 68362 | 14.8 | 6.7 | 6.9 | 3.7 | – | 0.45 | 0.97 | 0.25 | – |
|---|
| UTSA 07062 | 10.7 | 5.3 | 4.3 | 3.0 | – | 0.50 | 1.23 | 0.28 | – |
|---|