Table 4. Lymnaeid shell measurement comparison between different natural populations of Lymnaea schirazensis and Galba truncatula from different countries.
| Shell parameters (abbreviation) | Height (SH) | Maximum width (SW) | Aperture length (AL) | Aperture width (AW) | Last spire length (LSL) | Spiral angle (SSA) | Whorl number | SH/SW ratio | SH/AL ratio | SH/LSL ratio |
| Lymnaea schirazensis: | ||||||||||
| Iran, Taleb Abad bridge (n = 30) | 5.21−7.14 (5.91±0.53) | 2.60−3.79 (3.24±0.31) | 2.30−3.24 (2.68±0.25) | 1.48−2.26 (1.83±0.19) | 3.91−5.17 (4.44±0.33) | 33.12−61−25 (46.13±6.39) | 4−5 (4.27±0.45) | 1.59−2.14 (1.83±0.13) | 1.95−2.94 (2.24±0.22) | 1.25−1.44 (1.33±0.05) |
| Egypt, El Kazza (n = 30) | 5.10−6.91 (5.91±0.45) | 2.65−4.11 (3.24±0.32) | 2.19−3.12 (2.76±0.23) | 1.41−2.29 (1.73±0.20) | 4.06−5.40 (4.62±0.34) | 27.75−55.20 (43.48±7.22) | 4−5 (4.10±0.31) | 1.67−2.01 (1.83±0.08) | 1.96−2.34 (2.15±0.10) | 1.22−1.38 (1.28±0.04) |
| Egypt, Tiba Delengate (n = 30) | 5.45−7.21 (6.40±0.49) | 2.87−4.03 (3.50±0.31) | 2.33−3.6 (3.02±0.28) | 1.45−2.66 (2.03±0.29) | 4.21−5.89 (5.03±0.44) | 34.36−56.55 (46.89±5.32) | 4−5 (4.03±0.18) | 1.63−2.13 (1.84±0.10) | 1.91−2.42 (2.12±0.12) | 1.22−1.37 (1.27±0.03) |
| Egypt, Bulin El Aly (n = 30) | 4.43−6.82 (5.67±0.62) | 2.53−3.67 (3.10±0.33) | 2.13−3.25 (2.68±0.29) | 1.31−1.93 (1.62±0.19) | 3.37−5.25 (4.35±0.49) | 33.89−56.21 (45.39±5.24) | 4−5 (4.13±0.35) | 1.62−1.98 (1.80±0.08) | 1.95−2.35 (2.08±0.09) | 1.22−1.38 (1.28±0.03) |
| Spain, Albufera Valencia (n = 30) | 4.27−7.42 (5.89±0.61) | 2.52−4.02 (3.28±0.34) | 1.94−3.39 (2.75±0.30) | 1.18−2.37 (1.79±0.22) | 3.48−5.52 (4.57±0.42) | 30.63−57.17 (46.30±5.54) | 4−5 (4.17±0.38) | 1.59−2.01 (1.80±0.09) | 1.90−2.53 (2.15±0.13) | 1.21−1.36 (1.29±0.04) |
| Spain, Castellón (n = 30) | 5.25−7.80 (5.99±0.51) | 2.92−4.31 (3.32±0.28) | 2.56−4.12 (2.85±0.30) | 1.48−2.30 (1.73±0.16) | 4.12−5.98 (4.59±0.37) | 34.61−56.28 (46.58±5.02) | 4−5 (4.43±0.50) | 1.62−2.18 (1.81±0.11) | 1.89−2.31 (2.11±0.09) | 1.26−1.35 (1.30±0.02) |
| Dominican Rep., Constanza (n = 30) | 3.50−5.73 (4.94±0.54) | 2.09−3.27 (2.80±0.31) | 1.74−2.90 (2.50±0.32) | 1.20−1.77 (1.52±0.16) | 2.92−4.48 (3.87±0.42) | 38.74−56.48 (48.09±5.55) | 4 (4.00±0.00) | 1.50−2.07 (1.76±0.10) | 1.76−2.47 (1.98±0.15) | 1.18−1.39 (1.27±0.05) |
| Mexico, Xalpatlaco (n = 33) | 2.98−4.25 (3.57±0.38) | 1.70−2.47 (2.08±0.18) | 1.40−2.29 (1.80±0.23) | 0.98−1.47 (1.17±0.12) | 2.42−3.51 (2.89±0.30) | 26.14−53.54 (41.10±6.15) | 3−4 (3.42±0.51) | 1.54−1.91 (1.71±0.10) | 1.76−2.46 (1.98±0.14) | 1.18−1.31 (1.23±0.03) |
| Mexico, Trinidad Tepango (n = 8) | 4.02−5.37 (4.86±0.43) | 2.50−3.01 (2.80±0.20) | 2.05−2.67 (2.46±0.20) | 1.43−1.71 (1.56±0.10) | 3.30−4.19 (3.87±0.29) | 34.44−45.48 (39.80±3.67) | 4−5 (4.13±0.35) | 1.61−1.81 (1.74±0.06) | 1.93−2.02 (1.98±0.04) | 1.22−1.28 (1.26±0.02) |
| Venezuela, Laguna, El Valle (n = 4) | 5.93−8.06 (6.78±0.63) | 3.10−4.12 (3.61±0.26) | 2.47−3.84 (3.23±0.27) | 1.74−2.62 (2.14±0.22) | 4.60−6.09 (5.34±0.42) | 29.21−55.68 (43.20±5.71) | 4−5 (4.20±0.41) | 1.66−2.26 (1.88±0.14) | 1.78−2.71 (2.11±0.21) | 1.19−1.38 (1.27±0.05) |
| Ecuador, Buena Esperanza (n = 30) | 2.41−5.35 (3.37±0.83) | 1.39−2.82 (1.77±0.38) | 1.16−2.44 (1.62±0.36) | 0.77−1.42 (1.00±0.18) | 2.06−4.07 (2.68±0.57) | 25.05−43.90 (34.52±4.72) | 3−4 (3.40±0.50) | 1.63−2.05 (1.89±0.10) | 1.87−2.38 (2.08±0.15) | 1.11−1.33 (1.25±0.05) |
| Ecuador, Guarandauco (n = 30) | 5.76−7.27 (6.30±0.33) | 2.88−3.82 (3.25±0.23) | 2.53−3.41 (2.91±0.19) | 1.46−2.27 (1.71±0.16) | 4.45−5.53 (4.85±0.27) | 23.66−48.47 (36.34±5.71) | 4−5 (4.07±0.25) | 1.71−2.15 (1.94±0.09) | 1.99−2.41 (2.17±0.12) | 1.25−1.35 (1.30±0.03) |
| Ecuador, Machachi (n = 30) | 5.53−6.91 (5.88±0.31) | 2.49−3.51 (2.96±0.19) | 2.30−3.31 (2.56±0.24) | 1.45−1.85 (1.61±0.10) | 3.95−5.18 (4.37±0.24) | 29.05−43.26 (35.37±3.34) | 4−5 (4.23±0.43) | 1.78−2.35 (1.99±0.11) | 2.05−2.62 (2.30±0.14) | 1.30−1.42 (1.35±0.03) |
| Peru, Baños del Inca (n = 4) | 4.00−5.56 (4.79±0.86) | 2.04−2.88 (2.47±0.39) | 1.82−2.62 (2.20±0.42) | 1.19−1.50 (1.35±0.17) | 3.07−4.17 (3.62±0.62) | 29.13−39.99 (34.57±4.56) | 3−4 (3.75±0.50) | 1.77−2.03 (1.94±0.12) | 2.10−2.22 (2.18±0.05) | 1.29−1.34 (1.32±0.02) |
| Peru, Río Lurín en Lima (n = 2) | 3.82−3.89 (3.85±0.05) | 1.99−2.20 (2.09±0.15) | 1.67−1.78 (1.72±0.08) | 1.05−1.14 (1.10±0.06) | 3.04−3.08 (3.06±0.02) | 32.56−36.52 (34.54±2.80) | 4 (4.00±0.00) | 1.77−1.92 (1.85±0.11) | 2.15−2.34 (2.24±0.13) | 1.24−1.28 (1.26±0.02) |
| Galba truncatula : | ||||||||||
| Spain, Albufera Valencia (n = 30) | 6.79−9.33 (7.73±0.64) | 3.70−4.90 (4.29±0.29) | 3.30−4.07 (3.58±0.20) | 2.05−2.72 (2.40±0.17) | 5.28−6.80 (5.78±0.40) | 33.94−59.26 (42.73±5.34) | 4−5 (4.67±0.48) | 1.55−1.96 (1.80±0.09) | 1.84−2.38 (2.16±0.14) | 1.25−1.47 (1.34±0.05) |
| Marocco, Oued Tiout (n = 30) | 6.57−8.29 (7.58±0.48) | 3.79−4.60 (4.26±0.22) | 3.29−4.29 (3.86±0.28) | 2.40−3.15 (2.77±0.21) | 5.19−11.09 (6.05±1.02) | 40.91−61.66 50.77±5.37) | 4−5 4.30±0.47) | 1.64−2.02 (1.78±0.08) | 1.84−2.14 (1.97±0.07) | 0.69−1.36 (1.27±0.11) |
Range include minimum and maximum extremes, with mean±standard deviation SD in parentheses. Measurements in mm. n = number of specimens measured.