| L. cousini Chanchu-Yacu, Chillogallo Ecuador | L. bogotensis Savannah of Bogota Colombia | L. ubaquensis Laguna de Ubaque Colombia | L. meridensis n. sp. Mucubaji, Mérida State Venezuela | ||
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Shell parameters | Jousseaume (1887) 1 n = n.s. | Paraense (1995) 2 n = 24 | Velasquez (2006) 3 n = 30 | present study n = 30 | present study n = 30 | present study n = 16 |
Shell length (SL) | 10-14 | 6.6-8.5 | 3.1-11.7 (6.85 ± 2.3) | 4.4-7.2 (6.03 ± 0.65) | 7.9-11.8 (9.47 ± 0.97) | 6.6-9.3 (8.05 ± 0.78) |
Shell width (SW) | 5-6/6-10 | 6.0 | 7.0 | 2.9-4.2 (3.64 ± 0.38) | 4.6-6.9 (5.49 ± 0.52) | 3.7-6.0 (5.24 ± 0.58) |
Last spire length (LSL) | n.s. | n.s. | n.s. | 3.9-6.3 (5.26 ± 0.56) | 7.2-10.8 (8.62 ± 0.89) | 6.1-8.4 (7.57 ± 0.13) |
Spire length (SpL) | n.s. | 3 | 4.6 | 1.3-2.5 (1.99 ± 0.26) | 1.7-3.2 (2.37 ± 0.30) | 1.6-2.7 (2.24 ± 0.31) |
Aperture length (AL) | 7-10 | 6 | 7.1 | 2.8-4.6 (3.79 ± 0.42) | 5.5-8.6 (6.65 ± 0.72) | 4.8-6.0 (5.70 ± 0.15) |
Aperture width (AW) | 4-6 | 4 | 5.3 | 1.9-3.0 (2.53 ± 0.28) | 3.4-5.0 (4.06 ± 0.39) | 2.5-3.9 (3.39 ± 0.13) |
Whorl number | 4 | 5 | n.s. | 3-4 (3.20 ± 0.41) | 3-4 (3.13 ± 0.35) | 3-3 (3.00 ± 0.00) |
SW/SL ratio | n.s. | 0.54-0.65 (0.59 ± 0.03) | 0.54-0.71 (0.62 ± 0.05) | 0.57-0.67 (0.60 ± 0.02) | 0.53-0.65 (0.58 ± 0.03) | 0.58-0.66 (0.62 ± 0.04) |
AL/SL ratio | n.s. | 0.61-0.69 (0.65 ± 0.02) | 0.55-0.76 (0.64 ± 0.05) | 0.60-0.67 (0.63 ± 0.02) | 0.66-0.75 (0.70 ± 0.02) | 0.65-0.73 (0.69 ± 0.04) |
AL/SpL ratio | n.s. | 1.59-2.23 (1.88 ± 0.18) | 1.23-3.17 (1.84 ± 0.41) | 1.62-2.19 (1.91 ± 0.15) | 2.37-3.75 (2.82 ± 0.30) | 2.17-3.03 (2.58 ± 0.43) |
SpL/SL ratio | n.s. | 0.31-0.38 (0.35 ± 0.02) | 0.24-0.45 (0.36 ± 0.05) | 0.30-0.37 (0.33 ± 0.02) | 0.20-0.28 (0.25 ± 0.02) | 0.24-0.30 (0.27 ± 0.03) |