OK I'll play!
Unfortunately my first visit to somewhere this year with reptiles was ABQ BioPark Zoo (Rio Grande Zoo) on 3/8/18 and I did not keep a species list and I can not remember what I saw. Not a good start to this challenge for me!
ABQ BioPark Aquarium: 3/9/18
1. Diamondback Terrapin Malaclemys terrapin
2. Loggerhead Caretta caretta
ABQ BioPark Botanic Garden's BUGarium: 3/9/18
3. Common Chuckwalla Sauromalus ater
4. Cuban Night Anole Anolis equestris
American International Rattlesnake Museum: 3/9/18
5. Arizona Black Rattlesnake Crotalus viridis cerberus
6. Baja California Rattlesnake Crotalus enyo enyo
7. Banded Rock Rattlesnake Crotalus lepidus klauberi
8. Blacktail Rattlesnake Crotalus molossus molossus
9. Canebrake Rattlesnake Crotalus horridus atricaudatus
10. Chihuahuan Ridge-nose Rattlesnake Crotalus willardi silus
11. Costa Rican Rattlesnake Crotalus durissus durissus
12. Eastern Massasauga Sistrurus catenatus catenatus
13. Gila Monster Heloderma suspectum
14. Mexican Lance-headed Rattlesnake Crotalus polystictus
15. Mottled Rock Rattlesnake Crotalus lepidus lepidus
16. Panamint Speckled Rattlesnake Crotalus mitchelli stephensi
17. Prairie Rattlesnake Crotalus viridis viridis
18. Tiger Rattlesnake Crotalus tigris
19. Twin-spotted Rattlesnake Crotalus pricei pricei
20. Western Diamondback Rattlesnake Crotalus atrox
Audubon Butterfly Garden and Insectarium: 4/4/18
21. American Alligator Alligator mississippiensis
22. Red-footed Tortoise Chelonoidis carbonarius
Audubon Aquarium of the Americas: 4/4/18
23. Green Anaconda Eunectes murinus
24. Mata Mata Chelus fimbriata
25. Western Chicken Turtle Deirochelys reticularia miaria
Audubon Zoo: 4/5/18
26. African Spurred Tortoise Centrochelys sulcata
27. Alligator Snapping Turtle Macrochelys temminckii
28. Amazon Tree Boa Corallus hortulanus
29. Annulated Tree Boa Corallus annulatus
30. Baja Blue Rock Lizard Petrosaurus thalassinus
31. Black-masked Racer Coluber constrictor latrunculus
32. Black Pine Snake Pituophis melanoleucus lodingi
33. Black-tailed Montane Pit Viper Ophryacus melanurus
34. Broadhead Skink Plestiodon laticeps
35. Burmese Mountain Tortoise Manouria emys
36. Bushmaster Lachesis muta
37. Caiman Lizard Dracaena guianensis
38. Chinese Crocodile Lizard Shinisaurus crocodilurus
39. Collared Lizard Crotaphytus collaris
40. Cuban False Chameleon Chamaeleolis barbatus
41. Dusky Pygmy Rattlesnake Sistrurus miliarius barbouri
42. Eastern Garter Snake Thamnophis sirtalis sirtalis
43. Eastern Green Mamba Dendroaspis angusticeps
44. Emerald Boa Corallus caninus
45. Eyelash Viper Bothriechis schlegelii
46. False Gharial Tomistoma schlegelii
47. Four-horned Chameleon Chamaeleo quadricornis
48. Giant Anole Anolis smallwoodi
49. Giant Horned Lizard Phrynosoma asio
50. Gopher Snake Pituophis catenifer
51. Grand Cayman Blue Iguana Cyclura lewisi
52. Green Tree Python Morelia viridis
53. Home's Hinge-back Tortoise Kinixys homeana
54. King Cobra Ophiophagus hannah
55. Komodo Dragon Varanus komodoensis
56. Lance-headed Rattlesnake Crotalus polystictus
57. Louisiana Pine Snake Pituophis ruthveni
58. Madagascar Leafnose Snake Langaha madagascariensis
59. Malagasy Spider Tortoise Pyxis arachnoides
60. Mang Mountain Viper Protobothrops mangshanensis
61. Mossy Leaf-tailed Gecko Uroplatus sikorae
62. Neon Day Gecko Phelsuma klemmeri
63. Panther Chameleon Furcifer pardalis
64. Philippine Palm Viper Trimeresurus flavomaculatus mcgregori
65. Prehensile-tailed Skink Corucia zebrata
66. Red Eared Slider Trachemys scripta elegans
67. Rhinoceros Viper Bitis nasicornis
68. Ribbon Snake Thamnophis sauritus
69. Ridge-tailed Monitor Varanus acanthurus
70. Roti Island Snake-necked Turtle Chelodina mccordi
71. Sailfin Dragon Hydrosaurus pustulatus
72. Shingle-backed Skink Tiliqua rugosa
73. Side-striped Pit Viper Bothriechis lateralis
74. Slowinski's Cornsnake Elaphe slowinskii
75. Southern Copperhead Agkistrodon contortrix
76. Speckled Kingsnake Lampropeltis getula holbrooki
77. Sumatran Pit Viper Trimeresurus sumatranus
78. Texas Rat Snake Elaphe obsoleta lindheimeri
79. West African Gaboon Viper Bitis gabonica rhinoceros
80. Western Cottonmouth Agkistrodon piscivorus leucostoma
81. Western Pygmy Rattlesnake Sistrurus miliarius streckeri
82. William's Dwarf Gecko Lygodactylus williamsi
83. Yellow-bellied Water Snake Nerodia erythrogaster
84. Yellow-headed Gecko Gonatodes albogularis
Subtotals:
2 crocodilians
23 lizards
47 snakes
12 chelonians
Oklahoma City Zoo: 5/20/18
85. Black-breasted Leaf Turtle
Geoemyda spengleri
86. Black Rat Snake
Pantherophis obsoletus
87. Black Tree Monitor
Varanus beccarii
88. Brazilian Lancehead
Bothrops moojeni
89. Bullsnake
Pituophis catenifer sayi
90. Cape Coral Cobra
Aspidelaps lubricus
91. Cottonmouth
Agkistrodon piscivorus
92. Diamond Python
Morelia spilota spilota
93. Eastern Diamondback Rattlesnake
Crotalus adamanteus
94. Egyptian Tortoise
Testudo kleinmanni
95. Emerald Tree Boa
Corallus caninus
96. Eyelash Palm-pitviper
Bothriechis schlegelii
97. Galapagos Tortoise
Geochelone nigra
98. Gray-banded Kingsnake
Lampropeltis alterna
99. Gray's Monitor Lizard
Varanus olivaceus
100. Great Plains Skink
Eumeces obsoletus
101. Green Anole
Anolis carolinensis
102. Green Tree Monitor
Varanus prasinus
103. Gumprecht's Pitviper
Trimeresurus gumprechti
104. Halmahera Python
Morelia tracyae
105. Henkel's Leaf-tailed Gecko
Uroplatus henkeli
106. Honduran Rat Snake
Lampropeltis triangulum hondurensis
107. Kanburian Pitviper
Trimeresurus kanburiensis
108. Madagascar Flat-tailed Tortoise
Pyxis planicauda
109. Madagascar Tree Boa
Boa manditra
110. McGregor's Pitviper
Trimeresurus flavomaculatus mcgregori
111. Mexican Burrowing Python
Loxocemus bicolor
112. New Caledonia Giant Gecko
Rhacodactylus leachianus
113. New Caledonia Tree Gecko
Rhacodactylus auriculatus
114. Ouachita Map Turtle
Graptemys ouachitensis
115. Ornate Box Turtle
Terrapene ornata ornata
116. Pancake Tortoise
Malacochersus tornieri
117. Plain-bellied Watersnake
Nerodia erythrogaster
118. Plains Gartersnake
Thamnophis radix
119. Pueblan Milksnake
Lampropeltis triangulum campbelli
120. Pygmy Rattlesnake
Sistrurus miliarius
121. Red Spitting Cobra
Naja pallida
122. Reticulated Python
Python reticulatus
123. Rock Rattlesnake
Crotalus lepidus
124. Saharan Spiny-tailed Agama
Uromastyx geyri
125. San Estaban Island Chuckwalla
Sauromalus varius
126. Santa Catalina Island Rattlesnake
Crotalus catalinensis
127. Scheltopusik
Pseudopus apodus
128. Shield-tailed Agama
Xenogama taylori
129. Sidewinder
Crotalus cerastes
130. Solomon Islands Skink
Corucia zebrata
131. South American Green Racer
Philodryas baroni
132. Southern Copperhead
Agkistrodon contortrix
133. Speckled Forest-pitviper
Bothriopsis taeniata
134. Speckled Rattlesnake
Crotalus mitchellii
135. Speke's Hinge-back Tortoise
Kinixys spekii
136. Spiny Softshell
Apalone spinifera
137. Sri Lankan Pitviper
Trimeresurus trigonocephalus
138. Standing's Day Gecko
Phelsuma standingi
139. Star Tortoise
Geochelone elegans
140. Stinkpot
Sternotherus odoratus
141. Taylor's Cantil
Agkistrodon taylori
142. Tentacled Snake
Erpeton tentaculatum
143. Texas Tortoise
Gopherus berlandieri
144. Three Toed Box Turtle
Terrapene carolina triunguis
145. Timber Rattlesnake
Crotalus horridus
146. West African Green Mamba
Dendroaspis viridis
147. Western Hognose
Heterodon nasicus
148. Wood Turtle
Glyptemys insculpta
Subtotals:
2 crocodilians
37 lizards
83 snakes
26 chelonians