Original: In the 1870s , the famous American paleontologist Edward Drinker Cope discovered another , more complete set of fossils in North America , and named them Diatryma ( , from Ancient Greek Î Î Î Ï Ï Î Î 1\/4 Î , diatrema , meaning '' canoe '' ) .
Simplified: In the 1870s , the famous American paleontologist Edward Drinker Cope discovered another , more complete set of fossils in North America , and named them Diatryma .