3996
However , a recent analysis showed , if the piranha group is to be monophyletic , it should be restricted to " Serrasalmus " , " Pygocentrus " , and part of " Pristobrycon " , or expanded to include these taxa plus " Pygopristis " , " Catoprion " , and " Pristobrycon striolatus " .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None