Table 2 Lymnaeid shell measurement comparison between Lymnaea cousini, L. bogotensis (= L. cousini), L. ubaquensis (= Pseudosuccinea columella) and L. meridensis n. sp. (= L. cousini from Laguna Mucubaji, Venezuela), from their respective type localities in northern Andean countries

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

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)

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)

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)

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)

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)

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)

4

5

n.s.

3-4

(3.20 ± 0.41)

3-4

(3.13 ± 0.35)

3-3

(3.00 ± 0.00)

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)

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)

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)

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)