Table 4

Distribution of karyotypic variation in Iguanidae: interspecies comparisons (large genera except Sceloporus omitted)

2n Sceloporus1 Other sceloporines2 Other small iguanid genera All small iguanid genera
48 0 0  0 0
46 2 0  0 0
44 2 0  0 0
42 1 0  0 0
40 3 0  1 Plica plica 1
38 0 0  0 0
36 1 0 13 13
34 18 33  1 34
32 15 0  0 0
30 2 0  1 Polychrus marmoratus 1
28 0 0  1 Polychrus peruvianus 1
26 1 0  1 Polychrus femoralis 1
24 3 0  0 0
22 13 0  0 0
20 0 0  1 Polychrus acutirostris 1
         
species karyotyped 45+ 33 19 52
species known 64+ 49 122 171
% karyotyped species with 2n=36 or 34 42% 100% 74% 90%

1 includes polymorphisms within currently recognized species

2 here including Crotaphytus