Skip to main content

Table 3 Mean BSI value and evolutionary group of each South American mammalian order.

From: Influence of continental history on the ecological specialization and macroevolutionary processes in the mammalian assemblage of South America: Differences between small and large mammals

ORDEN

no sp

Mean BSI

Evolutionary group

Micromammalian

709

2.45

 

DIDELPHIMORPHIA

59

2.00

1

PAUCITUBERCULATA

5

1.60

1

MICROBIOTHERIA

1

2.00

1

RODENTIA

437

1.79

 

   Hystricognathi

157

1.71

2

   Sciurognathi

280

1.88

3

INSECTIVORA

5

2.00

3

CHIROPTERA

200

2.74

 

   Emballonuroidea

17

2.47

2

   Noctilionoidea

125

2.54

1

   Vespertilionoidea

58

3.22

3

LAGOMORPHA

2

5.00

3

Macromammalian

170

2.74

 

XENARTHRA

29

2.48

1

PRIMATES

78

1.41

2

CARNIVORA

42

3.83

3

PERISSODCTYLA

3

2.67

3

ARTIODACTYLA

18

3.33

3

Total

879

2.60

 
  1. No sp, species number. BSI, biomic specialization index. Evolutionary group: 1, South American autochthonous; 2, Eocene/Oligocene African immigrants; 3, Pliocene North American immigrants (the information of the evolutionary groups was obtained from [11,12,14,44,56,72,73]).