56721
From these early species , the australopithecines arose around and diverged into robust ( also called " Paranthropus " ) and gracile branches , one of which ( possibly " A. garhi " ) probably went on to become ancestors of the genus " Homo " .
 robust, Paranthropus, gracile, A. garhi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 robust, Paranthropus, gracile, A. garhi