TABLE 1.

Shell parameters (mean ± SD) of three Littoraria species.

Species	L	r 0_scaled	h 0_scaled	a 0_scaled	−log_g h	−log_g w
Littoraria flammea	17.15 ± 1.64a	0.117 ± 0.010a	0.837 ± 0.029a	0.181 ± 0.017a	1.150 ± 0.029a	1.231 ± 0.055a
L. aff. melanostoma	19.50 ± 1.86b	0.118 ± 0.010a	0.826 ± 0.019a	0.184 ± 0.011a	1.072 ± 0.025b	1.166 ± 0.040b
L. melanostoma	20.44 ± 1.69b	0.120 ± 0.013a	0.826 ± 0.016a	0.190 ± 0.013a	1.084 ± 0.026b	1.172 ± 0.029b

Note: ‘a’ and ‘b’ indicate statistically significant groupings. At the p < 0.05 level, the same letter is not significant, while different letters indicate significant differences.