Table 4 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Table 4. Conch dimensions (in millimetres) and proportions for reference specimens of Goniatites eganensis Korn and Titus, 2011 from the Sierra Diablo. Specimendmwwwhuwahww / dmww / whuw / dmWERIZRNPL 6843147.331.723.92.910.60.671.330.061.660.56NPL 6847137.526.418.42.07.10.701.430.051.520.61NPL 6849326.921.513.81.95.70.801.560.071.610.59NPL 6838918.415.59.70.93.90.841.600.051.610.60Paratype-UT 1203250.029.026.04.0–0.581.120.08––Holotype-UT 1203120.814.611.51.84.70.701.270.091.670.59NPL 6850219.814.511.41.64.50.731.270.081.670.61NPL 6849719.614.610.72.04.30.741.360.101.640.60NPL 6850317.613.59.61.93.90.771.410.111.650.59NPL 6849817.212.98.91.94.10.751.450.111.720.54NPL 6850415.312.58.41.8–0.821.490.12––NPL 6850514.811.98.01.83.50.801.490.121.720.56NPL 6850014.511.67.72.13.30.801.510.141.680.57NPL 6849912.49.86.01.42.80.791.630.111.670.53NPL 685016.96.2–––0.90––––