Over the evolutionary history of a certain kind of fish, the trend is an increasing number of teeth. The data tables provides information for several examples. A fossil of a new species of this type of fish (W. amateguorum) is discovered. The complete fossil skeleton is found, and it has 34 teeth. The most reasonable estimation for the age of this fossil would be which of the following?

About 20 million years old
About 30 million years old
About 70 millions years old
About 100 millions years old