A porcupine fossil recovered in Florida was the key clue in solving a paleontological mystery.

A nearly complete fossil of an extinct North American porcupine has helped researchers resolve a long-standing debate about ... This significant finding was made possible by a nearly complete skeleton ...

A rare, nearly complete fossil of an extinct North American porcupine helped me and my colleagues solve a decades-long debate about how the modern North American porcupine evolved from its ancestors.

North American porcupine ancestors might be hidden in the existing fossil record because ... Then researchers from the Florida Museum of Natural History unearthed a 2 million-year-old nearly complete ...