The dominant pattern in the fossil record is explosions of new biological forms. The Cambrian explosion is a prime example.
This punctuated, even saltational increase in hominid skull sizes over time continues to be recognized in the literature.
As if on cue, science news today reports a remarkable discovery from Spain.
Despite Dennis Venema’s statements to the contrary, there is no clear-cut lineage of fossils leading from ape-like hominids to modern humans.