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having 3 premolars is the ancestral condition. some strepsirrhines and all platyrrhines have this condition which...

having 3 premolars is the ancestral condition. some strepsirrhines and all platyrrhines have this condition which could confuse someone examining a mandible. What TWO other mandibular traits would help you distinguish a strepsirrhinebfrom a platyrrhine ?
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  1. Two other feathers include presence of Toothcomb in Strepsirhine. This is a characteristic feature showing presence of many gaps or striations that are present on the frontal teeth.
  2. Other character is unfused mandibular symphysis. This is the portion which connects two parts of the mandible centrally.
  3. These are the two features characterizing strepsirhines from Platyrrhines.
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