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Table 1 Proposed classification of Semnopithecus and Trachypithecus species based on the herein presented data.

From: Phylogenetic position of the langur genera Semnopithecus and Trachypithecus among Asian colobines, and genus affiliations of their species groups

Species group

Semnopithecus

Trachypithecus

S. entellus* (North India)

S. entellus*

 

S. entellus* (South India)

S. entellus*

 
 

S. johnii

 

S. entellus* (Sri Lanka)

S. entellus*

 
 

S. vetulus

 

T. pileatus**

T. pileatus

 

T. geei

T. francoisi

 

T. francoisi

  

T. poliocephalus

  

T. delacouri

  

T. laotum

T. obscurus

 

T. obscurus

  

T. barbei

  

T. phayrei

T. cristatus

 

T. cristatus

  

T. germaini

  

T. margarita

  

T. auratus

  1. * species/subspecies designation has to be assessed.
  2. ** provisionally classified as member of Trachypithecus.