For C. hoffmanni these were complete ribs fused to the sternum, but for C. didactylus they were rudimentary ribs suggesting a transitional structure. In contrast, the 8th vertebra for Bradypus was ...

If there’s one dish that signifies summer in America, it’s ribs. Cooked outdoors in backyards across this great nation, ribs are a cherished pastime. They are the stuff of smoke and live fire ...

For C. hoffmanni these were complete ribs fused to the sternum, but for C. didactylus they were rudimentary ribs suggesting a transitional structure. In contrast, the 8th vertebra for Bradypus was ...