10 
Janet A. Roth and Joshua Laerm 
Family Testudinidae 
Geochelone sp. (Fitzinger) — giant land tortoise 
Material. — ChM.PV2475, ChM.PV2486-2487, three carapacial frag- 
ments; ChM.GPV2005, ChM.PV2467-2476, ChM.PV2476, 
ChM.PV2478, ChM.PV2479-2485, ChM.PV2488-2492, twenty-one 
plastral fragments; ChM.PV2457-2462, ChM.PV2464, ChM.PV2466, 
eight peripheral scutes; ChM.PV2463, ChM.PV2477, two nuchal sctues; 
ChM.PV2465, costal scute; ChM.PV2497, osteoderm. 
Remarks.— Geochelone is restricted to primarily subtropical and 
tropical climates (Hibbard and Taylor 1960). Previous reports of 
Geochelone include localities in Florida and several midwestern states 
(Hibbard 1960). 
Gopherus sp, (Rafinesque) — gopher tortoise 
Material . — ChM.GPV1537, carapacial fragment. 
Order Squamata 
Suborder Serpentes 
Family Colubridae 
cf. Coluber sp. Linnaeus or Masticophis sp. (Baird and Girard) — racers 
or whipsnakes 
Material. — ChM.GPV2088, vertebral fragment. 
Remarks. — The specimen is missing important processes, which 
precludes generic identification. 
cf. Elaphe sp. (Fitzinger) — rat snake 
Material . — ChM.PV2746, vertebral fragment. 
Remarks. — The specimen is severely worn, making determination of 
species impossible. 
Order Crocodilia 
Family Crocodylidae 
Alligator mississippiensis (Daudlin) — alligator 
Material. — ChM.PV2493, right mandible; ChM.PV2494, right man- 
dibular fragments; ChM.PV2501, mandibular fragment; ChM.PV2020, 
tooth fragment; ChM.PV2502, right dermal roof fragment; 
ChM.PV2503, left dermal roof fragment; ChM.PV2505, dermal roof 
fragment; ChM.PV2735, worn vertebral centrum; ChM.PV2496, 
ChM.PV2500, ChM.PV2752, three dermal scutes; UGV132a-c, dermal 
scutes; UGV136, skull fragment; UGV142, vertebra. 
Remarks. — All specimens are very dark and well mineralized. The der- 
mal scutes exhibit the diagnostic keel. 
cf. Gavialosuchus (Toula and Kail) — giant crocodile 
Material. — ChM.PV2495, right humerus; ChM.PV2504, right 
humerus; ChM.35.208. 176, dorsal plate. 
