Choose your reply from the options at the end. Does "Their 1997 book, Classification of Mammals above the Species Level, is the most comprehensive work to date on the systematics, relationships, and occurrences of all mammal taxa, living and extinct, down through the rank of genus, though recent molecular genetic data challenge several of the higher level groupings." contain the correct answer to "In 1997 who revised the classification of mammals?"
Pick from:
a). yes;
b). no;
b).