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repulía: SAURIA: TEIIDAE * * "^ * DRACAENA 



DRACAENA Daudin 



1802 Dracaena Daudin, Hist. Nat. Rept., 2: 421. Type-species: Dracaena qu lanensis Daudin. 



1825 Ada Gray, Ann. Philos., 10 (7): 20. Type-species: Teius crocodilinus Merrem. 



18^0 Thorictis Wagler, Nat. Syst. Amph.: 153' Type-species: Dracaena quianensis Daudin. 



Distribution: Amazonian drainage; Mato Grosso and Paraguay. 



Content: Two species, according to most recent revision by Vanzolini and Valencia, Arq. Zool. Dept. 

 Zool. Sao Paulo, I3, 1565 (1566), 7-35. 



Key to the species Clave de especies 



1. Single unpaired scale lying posterior to mid- 1. Una escama posterior a sutura entre nasales 



dorsal suture between nasals paraquayens is paraquayens is 



Pair of scales on dorsum of snout immediately Un par de escamas posterior a sutura entre 



behind middorsal suture between nasals nasales qu ianensis 



qu ianensis 



DRACAENA GUIANENSIS Daudin 



1788 Lacerta Dracoena — Lacepede (not of Linnaeus, 175^) Hist. Nat. Quad. Ovip., 1: 622. 

 1802 Dracaena quianensis Daudin, Hist. Nat. Rept., 2; 421, pi. 28. Type-locality: Cayenne 



(using same specimen seen by Lacepede, I788). 

 1820 Teius crocodilinus Merrem. Tent. Syst. Amph.: 62. Type-locality: "America meridional!". 

 1966 Dracaena quianensis' — Vanzolini and Valencia, Arq. Zool. Depto. Zool. SSo Paulo, 13 M Qgc\ . j^c 



figs. 



Distribution: Northeastern South America in Amazonian Basin. 



DRACAENA PARAQUAYENS I S Amaral 



1550 Dracaena paraquayensis Amaral, Copeia: 283- Type-locality: SSo Lourengo, Mato Grosso, Brazil. 

 1966 Dracaena paraquayens i& — Vanzolini and Valencia, Arq. Zool. Depto. Zool. SSo Paulo, 13 (19^5)' H> 

 figs. 



Distribution: Mato Grosso, Brazil and Paraguay. 



