196779
Fossilized Ectocion jaw bones show that this genus was smaller during ( E. parvus , 55.5 mya ) the PETM than its relatives before ( E. osbornianus , 55.6 mya ) and after ( E. osbornianus , 55.3 mya ) the brief climatic peak period .
 None
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:  
Answer:
 None