Table 3. Conch measurements, ratios and rates of Discoceras antiquissimum (Eichwald, 1842).
specimen dm ww wh uw ah CWI WWI UWI WER IZR
TAM G432:72 145 31 31 31 0.21 1.00 v 1.62
TUG 1862-1 109 32 29.8 54.7 0.29 1.07 0.50 1.89
MB.C.32314 118.3 30.5 27.7 65.7 27.7 0.26 1.10 0.56 1.71 0.00
minus 180° 86.8 24.9 42.1 24.5 0.48 1.94 0.02
MB.C.11569 79.8 28.6 21.0 42.2 20.6 0.36 1.36 0.53 1.82 0.02
minus 90° 70.4 25.2 19.9 35.6 0.36 1.26 0.51
minus 180° 58.8 16.6 28.2 0.48