297254
Warren ( 1999 ) suggested that Kourerpeton is from an unknown Guadalupian ( Middle Permian ) to Early Triassic locality in North America , or possibly even from a locality outside North America .
 North America
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 North America