1095
Holtz , however , notes that Protopteryx , with its primitive feathers , lived millions of years after Archaeopteryx , which had feathers almost identical to those of modern birds .
 Holtz
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Holtz