Updated Table 4: Species richness and subregional endemism by geography and family

This page summarizes the current data on the richness and endemism of freshwater mussel species in each biographical region and subregion, broken down by family.

These data update Table 4 of Graf & Cummings (2021).

Numbers within parentheses indicate the richness of endemic species in each subregion. Family abbreviations: UN, Unionidae; MA, Margaritiferidae; HY, Hyriidae; ET, Etheriidae; MY, Mycetopodidae; IR, Iridinidae.

For a more detailed summary of species and genus richness by taxonomy, see Updated Table 3: Richness of species and genera arranged by taxonomy and region.

Region

Unionida

UN

MA

HY

ET

MY

IR

global

1005

800

16

93

4

53

39

North America

309

304

5

—

—

—

—

NA1

13 (0)

13 (0)

—

—

—

—

—

NA2

152 (97)

150 (96)

2 (1)

—

—

—

—

NA3

65 (37)

64 (37)

1 (0)

—

—

—

—

NA4

156 (105)

154 (103)

2 (2)

—

—

—

—

NA5

8 (5)

7 (5)

1 (0)

—

—

—

—

Central America

66

58

—

—

—

8

—

CA1

66 (60)

58 (56)

—

—

—

8 (4)

—

South America

115

—

—

64

2

49

—

SA1

12 (5)

—

—

1 (1)

1 (1)

10 (3)

—

SA2

31 (17)

—

—

15 (9)

—

16 (8)

—

SA3

37 (12)

—

—

14 (5)

1 (0)

22 (7)

—

SA4

17 (4)

—

—

8 (2)

—

9 (2)

—

SA5

63 (42)

—

—

39 (32)

1 (0)

23 (10)

—

SA6

3 (2)

—

—

2 (2)

—

1 (0)

—

Afrotropics

81

41

—

—

1

—

39

AF1

26 (16)

13 (11)

—

—

1 (0)

—

12 (5)

AF2

18 (8)

4 (2)

—

—

1 (0)

—

13 (6)

AF3

36 (29)

19 (19)

—

—

1 (0)

—

16 (10)

AF4

16 (11)

5 (4)

—

—

1 (0)

—

10 (7)

AF5

6 (1)

2 (1)

—

—

1 (0)

—

3 (0)

AF6

2 (1)

1 (1)

—

—

1 (0)

—

—

North Eurasia

47

43

4

—

—

—

—

EU1

35 (27)

32 (25)

3 (2)

—

—

—

—

EU2

16 (11)

15 (10)

1 (1)

—

—

—

—

EU3

3 (0)

3 (0)

—

—

—

—

—

East Asia

373

364

8

—

1

—

—

AS1

3 (0)

2 (0)

1 (0)

—

—

—

—

AS2

29 (16)

28 (15)

1 (1)

—

—

—

—

AS3

28 (19)

26 (18)

2 (1)

—

—

—

—

AS4

95 (72)

93 (70)

2 (2)

—

—

—

—

AS5

151 (129)

148 (126)

3 (3)

—

—

—

—

AS6

31 (24)

31 (24)

—

—

—

—

—

AS7

82 (77)

81 (76)

—

—

1 (1)

—

—

Australasia

31

2

—

29

—

—

—

AU1

14 (11)

—

—

14 (11)

—

—

—

AU2

7 (5)

—

—

7 (5)

—

—

—

AU3

11 (9)

2 (2)

—

9 (7)

—

—

—

AU4

3 (3)

—

—

3 (3)

—

—

—