Molar Size Sequences and Fossil Taxonomy.
Although relative molar size has been considered a major taxonomic criterion, separating the Australopithecines and some erectus fossils from sapiens man, the Me > Ml, or " fossil" size sequence is found in 33 percent of Ohio whites and Pima Indians, yet is not necessarily the major sequence in the level and below ( 9; 10). Stanley M. Garn.
Lewis
A B
AB
Kerewsky
R S
RS