3712
It was found in Bartonian ( ) layers of the Ameki Formation ( , paleocoordinates ) in southern Nigeria .
 location: Nigeria
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Nigeria 
Answer:
 location: Nigeria