| As with many in the systematics community, I am skeptical that turtles are derived diapsids. |
| Again, it seems that the presence of many suborbital bones may be significant only at lower levels of systematics. |
| His List of New Guinea Birds deals with the biogeography of those birds, as well as with their systematics and nomenclature. |
| There appear to be strong analogies between the worlds of stemmatics and systematics. |
| The former curator is working on the ecology and systematics of leaf miner flies and frit flies which develop in plant tissue. |
| Over the last 25 years, few topics in systematics and paleontology have been as divisively debated as the origin of birds. |
