Fig. 10. Species richness of the box turtles of the genus Terrapene and the salt marsh terrapin of 

 the genus Malaclemys (subfamily Emydinae; family Emydidae) on North America (see Fig 9) 

 Dotted line parallels the coastline along which a single species of Malaclemys occurs 



Fig. 11. Species richness of the subfamily Emydinae (family Emydidae) on northern South America. 



