«Now it's become so standard that
a lot of paleontologists have their own scanners in their lab,» Brusatte said.
Not exact matches
By analyzing the fossils
of thousands
of ancient crustaceans, a team
of scientists led by NMNH
paleontologist Gene Hunt has found that devoting a
lot of energy to the competition for mates may compromise species» resilience to change and increase their risk
of extinction.
«Our new hypothesis has
lots of exciting implications about when and where dinosaurs may have originated, as well as when feathers may have evolved,» says University
of Cambridge
paleontologist Matthew Baron, lead author
of the study.
Paleontologists have long suspected that these observations reflect a fundamental coupling between the rates
of species formation and anatomical change: groups
of organisms that contain
lots of species also seem to have greater amounts
of anatomical variation, while groups with only a few species, such as the gar, lack much morphological variety.
«There's a
lot that's left to be filled in there,» says Daniel Fisher, a
paleontologist at the University
of Michigan, Ann Arbor, who wasn't involved in the current work.