Families (RA)/species

N

Sites

dt

A

B

C

D

E

F

G

MYTILIDAE (22.41%)

Brachidontes adamsianus (Dunker, 1857)

21

2

4

2

1

6

2

4

W

Brachidontes puntarenensis (Pilsbry & Olsson, 1935)

21

4

3

6

8

RE

Brachidontes semilaevis (Menke, 1848)

2

2

L

Septifer zeteki (Hertlein & Strong, 1946)

2

2

L

Choromytilus palliopunctatus (Carpenter, 1857)

151

151

L

Lithophaga (Myoforceps) aristata (Dillwyn, 1817)

36

1

3

6

23

3

RE

Modiolus capax (Conrad, 1837)

30

18

1

1

10

RE

Modiolus tumbezensis (Pilsbry & Olsson, 1935)

1

1

L

ARCIDAE (3.05%)

Acar gradata (Broderip & Sowerby, 1829)

8

2

2

4

RE

Acar pusilla (Sowerby I, 1833)

2

2

L

Acar rostae (Berry 1954)

8

8

L

Arca mutabilis (Sowerby, 1833)

4

2

2

L

Barbatia lurida (Sowerby, 1833)

6

3

1

2

RE

Barbatia illota (Sowerby, 1833)

3

1

2

L

Barbatia reeveana (d’Orbigny, 1846)

5

1

4

L

PTERIIDAE (0.16%)

Pinctada mazatlanica (Hanley, 1856)

2

2

L

ISOGNOMONIDAE (8.14%)

Isognomon janus (Carpenter, 1857)

96

16

27

20

6

27

RE

OSTREIDAE (17.82%)

Saccostrea palmula (Carpenter, 1857)

107

81

1

25

RE

Striostrea prismatica (Gray, 1824)

103

82

5

16

RE

ANOMIIDAE (0.16%)

Pododesmus foliatus (Broderip, 1834)

2

2

L

PLICATULIDAE (2.71%)

Plicatula penicillata (Carpenter, 1857)

18

4

4

10

RE

Plicatulostrea anomioides (Keen, 1958)

14

3

4

7

RE

LIMIDAE (2.80%)

Limaria pacifica (d’Orbigny, 1846)

33

5

4

2

22

RE

LUCINIDAE (0.08%)

Ctena clarionensis (Hertlein & Strong, 1946)

1

1

L

CARDITIDAE (6.70%)

Cardites grayi (Dall, 1903)

69

7

39

6

1

1

15

W

Cardites laticostatus (Sowerby, 1833)

1

1

L

Carditamera affinis (Sowerby, 1833)

9

3

2

4

RE

CHAMIDAE (35.82%)

Chama coralloides (Reeve, 1846)

324

84

38

11

75

20

34

62

W

Chama echinata (Broderip,1835)

13

3

1

9

RE

Chama mexicana (Carpenter, 1857)

51

13

3

15

20

RE

Chama sordid (Broderip, 1835)

34

6

25

1

2

RE

PHOLADIDAE (0.08%)

Martesia (Martesia) striata (Linnaeus, 1758)

1

1

L

Total abundance

1178

302

175

29

106

71

220

275