| |-------|large |slight fold,| | | | | | |outer one | | | --------------+-------+-------+--------+------------+-------+--------+------ Interatherium |Santa |3 1 4 3|vestigal|slight inner|2-lobed|slightly| | Cruz |-------| |and outer | |cleft | | |3 1 4 3| |folds | | | --------------+-------+-------+--------+------------+-------+--------+------ Protypotherium|Santa |3 1 4 3|large |deep inner |2-lobed|slightly|closed | Cruz |-------| |and outer | |cleft |series | |3 1 4 3| |folds | | | --------------+-------+-------+--------+------------+-------+--------+------ Argyrohyrax |Deseado|3 1 4 3|large |bifurcated | | | | |-------| |inner fold | | | | | | | | | | --------------+-------+-------+--------+------------+-------+--------+------ Eutrachytherus|Deseado|3 1 4 3|lacking |bifurcated |2-lobed| | | |-------| |inner fold | | | | |2 1 4 3| | | | | --------------+-------+-------+--------+------------+-------+--------+------ Isoproedrium |Deseado| | | | | | | |-------| | | | | | |? ? 4 3| | | | | --------------+-------+-------+--------+------------+-------+--------+------ Archaeohyrax |Deseado|3 1 4 3|large |deep inner |3-lobed| | | |-------| |fold, slight| | | | |3 1 4 3| |outer fold | | | --------------+-------+-------+--------+------------+-------+--------+------ Plagiarthrus |Deseado| | | |2-lobed| | | |-------| | | | | | |? ? 4 3| | | | | --------------+-------+-------+--------+------------+-------+--------+------