12 
Janet A. Roth and Joshua Laerm 
Table 2. Comparative measurements (mm) of Dasypus bellus dermal scutes from 
Edisto Island and elsewhere. 
ChM.PV2705,Edisto Island 
ChM.PV2092, Edisto Island 
D. novemcinctus, Recent (Martin 1974) 
D. bellus, Florida (Martin 1974) 
Thickness 
Width 
N 
4.9 
13.0 
1 
5.0 
12.0 
1 
0.9 -2.4 
3.5 -8.1 
235 
1.9 -6.1 
6.2 - 16.5 
194 
cf. Holmesina ( Chylamytherium ) septentrionalis 
(Leidy) — giant armadillo 
Material. — ChM .GPV2032, ChM.PV2785-86, ChM.PV2416, 
ChM.PV2619-2620, carapacial scutes; ChM.PV2420 caudal ring scute. 
Remarks. — Chlamytheres apparently reached Flordia earlier than 
elsewhere in the U. S. (Webb 1974) and are known from several localities 
there (Robertson 1976). The Charleston specimens are referred to H. sep- 
tentrionalis, known from Irvingtonian and Rancholabrean deposits 
(Webb 1974). The group is presently under review by Dr. G. Edmund. 
Family Glypotodontidae 
Glyptotherium floridanum (Simpson) — North America glyptodont 
Material. — ChM.PV2415, cranial fragment; ChM.GPV2090, 
ChM.PV24 17-24 18, carapacial scutes. 
Remarks. — The cranial fragment was described by Ray (1965) and 
identified as Boreostracon floridanus (Simpson), but Gillette and Ray (in 
press) refer all glyptodont material from Edisto Island to G. floridanum. 
This species is confined to the Rancholabrean. Geographically, G. 
floridanum is restricted to the Gulf coastal plain and the southern Atlan- 
tic coast, and the South Carolina specimen provides the northernmost 
record of the species. 
Family Megalonychidae 
Magalonyx cf. M. jeffersonii (Desmarest) — Jefferson’s ground sloth 
Material.— ChM.PV2421, right lateral mandibular fragment, dentition 
not preserved; ChM.PV2423, caninform tooth; ChM.PV2743, 
caniniform tooth; ChM.PV2455 and ChM.GPV2012, two molariform 
teeth; ChM.PV2424, ungual phalanx; ChM.PV2428, cast of ungual 
phalanx; HS.A-48, HS.A-29, FIS.A-51, three caniniform teeth; HS.H-6 1 , 
astragalus; from the private collection of M. W. Wagner, two ungual 
phalanges; UGV150, RM 1 . 
Remarks.— Ray et al. (1967) noted that the number of species of 
Megalonyx and their validity are uncertain. The Edisto Island specimens 
compare closely with material presently identified as M. jeffersonii. The 
geographic distribution of Megalonyx seems to have been widespread 
