id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
flmnh-288	McDonald, H.	Paleoecology of Extinct Xenarthrans and the Great American Biotic Interchange	2005	21	.pdf	application/pdf	12048	590	52	It would seem that this group would be most susceptible to climate, particu- larly seasonal temperature extremes and this is reflected in their more limited distribution in North America com- pared to sloths. Both genera co-occur in faunas in North America dur- ing the Rancholabrean but in inverse proportions so when one is common the other is rare.	cache/flmnh-288.pdf	txt/flmnh-288.txt