. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Urostrophus and Anisolepis • Etheridge and Williams 347. Figure 12. Anisolepis longicauda, Nat. Mus. Wien No. 12971, female, snout-vent length 90 mm, from Paraguay. tionships of anoles (Chamaeolis, Phenaco- saurus, Chamaelinorops, Anolis), I com- pared anoles with Polychrus and Aptycholaemus (Etheridge, 1960, table vii). The data on Aptycholaemus was based upon a misidentihed specimen of Aniso- lepis grilli. The suggestion was made that "Polychrus shows the closest affinities with the anole group," and altho
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Urostrophus and Anisolepis • Etheridge and Williams 347. Figure 12. Anisolepis longicauda, Nat. Mus. Wien No. 12971, female, snout-vent length 90 mm, from Paraguay. tionships of anoles (Chamaeolis, Phenaco- saurus, Chamaelinorops, Anolis), I com- pared anoles with Polychrus and Aptycholaemus (Etheridge, 1960, table vii). The data on Aptycholaemus was based upon a misidentihed specimen of Aniso- lepis grilli. The suggestion was made that "Polychrus shows the closest affinities with the anole group," and although insufficient data were available to form a proper eval- uation of the position of Anisolepis (, Aptycholaemus of the thesis), it was said of the latter that "with respect to the ano- les, correspondence in characters was very nearly as close as that between Polychrus and the ; In a review of the genus Enyalius, Eth- eridge (1969) concluded that "Anisolepis and Aptycholaemus are indeed very sim- ilar to each other, and of iguanids are most like Enyalius" and that "the differences that separate Anisolepis and Aptycholae- mus, considering the two together, from Enyalius are few and relatively trivial," and also remarked that "Enyalius bilinea- tus is in some respects transitional between Anisolepis and Aptycholaemus on the one hand and the remaining species of Eny- alius on the ; Recently Etheridge and Williams (1985) reviewed the confusion in allocation to Urostrophus of species now referred to Pristidactylus scapulatus and Pristidac- tylus torquatus. Following the then un- published work of Etheridge and de Quei- roz (1988), we considered the genera Pristidactylus, Leiosaurus (including Aperopristis), Diplolaemus, and Enyalius to form a monophyletic group called the "; Williams (1988) accepted the monophy- ly of anoloids, but in a footnote he included the para-anoles within the leiosaurs with- out
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