| Family | Genus | Species | Common name | % Correct |
|---|---|---|---|---|
| Iguana | Green iguana | 100%
| ||
| Iguanidae | Amblyrhynchus | Cristatus | Marine iguana | 88%
|
| Lewisi | Blue iguana | 65%
| ||
| Similis | Common spiny-tailed iguana | 59%
| ||
| Cornuta | Rhinoceros iguana | 47%
| ||
| Iguana | Delicatissima | Lesser Antillean iguana | 41%
| |
| Nubila | Cuban rock iguana | 32%
| ||
| Dorsalis | Desert iguana | 32%
| ||
| Gau | Gau iguana | 32%
| ||
| Subcristatus | Galápagos land iguana | 29%
| ||
| Conolophus | Marthae | Galápagos pink land iguana | 29%
| |
| Oaxacana | Oaxacan spiny-tailed iguana | 26%
| ||
| Bakeri | Baker's spinytail iguana | 24%
| ||
| Sauromalus | Ater | Common chuckwalla | 21%
| |
| Collei | Jamaican iguana | 21%
| ||
| Vitiensis | Fiji crested iguana | 18%
| ||
| Fasciatus | Lau banded iguana | 15%
| ||
| Melanosterna | Black-chested spiny-tailed iguana | 12%
| ||
| Dipsosaurus | Catalinensis | Catalina desert iguana | 12%
| |
| Brachylophus | Bulabula | Central Fijian banded iguana | 12%
| |
| Ricordii | Ricord's ground iguana | 12%
| ||
| Varius | San Esteban chuckwalla | 12%
| ||
| Pectinata | Western spiny-tailed iguana | 12%
| ||
| Defensor | Yucatán spiny-tailed iguana | 12%
| ||
| Hispidus | Angel Island chuckwalla | 9%
| ||
| Cachryx | Alfredschmidti | Campeche spiny-tailed iguana | 9%
| |
| Ctenosaura | Acanthura | Mexican spiny-tailed iguana | 9%
| |
| Pallidus | Santa Fe land iguana | 9%
| ||
| Pinguis | Anegada ground iguana | 6%
| ||
| Rileyi | Bahamian rock iguana | 6%
| ||
| Hemilopha | Baja California spiny-tailed iguana | 6%
| ||
| Quinquecarinata | Five keeled spiny-tailed iguana | 6%
| ||
| Palearis | Motagua spiny-tailed iguana | 6%
| ||
| Cychlura | Northern Bahamian rock iguana | 6%
| ||
| Oedirhina | Roatán spiny-tailed iguana | 6%
| ||
| Conspicuosa | San Esteban spiny-tailed iguana | 6%
| ||
| Macrolopha | Sonoran spiny-tailed iguana | 6%
| ||
| Cyclura | Carinata | Turks and Caicos rock iguana | 6%
| |
| Flavidorsalis | Yellow-backed spiny-tailed iguana | 6%
| ||
| Clarki | Balsas spiny-tailed iguana | 3%
| ||
| Stejnegeri | Mona ground iguana | 3%
| ||
| Slevini | Monserrat chuckwalla | 3%
| ||
| Nolascensis | Nolasco spiny-tailed iguana | 3%
| ||
| Klauberi | Santa Catalina chuckwalla | 3%
|