Table 1 Taxa sampled, drainage of collection, and number of sequences for all individuals included in molecular analyses.

Amblema plicata

Colorado

2

2

Elliptio crassidens

Ohio

1

1

Pearl

1

1

Cyclonaias aurea**

Guadalupe

30

9

Nueces

39

7

Cyclonaias asperata

Mobile

6

6

Cyclonaias necki*

Guadalupe

33

27

Cyclonaias houstonensis**

Brazos

18

12

Colorado

14

7

Cyclonaias infucata

Apalachicola

16

16

Ochlockonee

5

5

Cyclonaias kleiniana

Suwannee

4

4

Cyclonaias mortoni**

Neches

26

10

Sabine

8

6

San Jacinto

9

0

Trinity

15

9

Cyclonaias nodulata*

Neches

3

0

Ouachita

5

4

Red

1

0

Salt

5

1

Cyclonaias petrina s.s.*

Colorado

33

23

Cyclonaias pustulosa s.l.**

Neosho

4

2

Ohio

9

5

Osage

4

2

Ouachita

16

8

Red

26

11

St. Croix

5

3

St. Francis

11

4

Cyclonaias refulgens**

Pascagoula

5

3

Pearl

5

2

Cyclonaias succissa**

Choctawhatchee

19

9

Escambia

3

2

Yellow

3

3

Cyclonaias tuberculata

Tennessee

3

3

Megalonaias nervosa

Guadalupe

1

1

Ohio

1

1

Quadrula apiculata

Rio Grande

1

1

Quadrula quadrula

Ohio

1

1

Theliderma metanevra

Ohio

1

1

Tennessee

1

1

Tritigonia verrucosa

Ohio

1

1

Red

1

1

Uniomerus tetralasmus

Bayou Pierre

1

1

Colorado

1

1

Total

397

217