(Spinal Tap notwithstanding, it wasn't the Druids who built Stonehenge but some other, more ancient group).
If that's the case, Odontochelys may have descended from a more ancient group of armored terrestrial turtles.
The cluster of Pinus taeda isoforms Pt4, 5, 8, 9 and 10 probably represents a more ancient group of actins that might be preferentially expressed in vegetative organs.
IRs have been identified throughout protostome lineages (including arthropods, mollusks, annelids and nematodes) and, thus, constitute a far more ancient group of receptors than the ORs [ 33].
As compared with these Schistosoma species, the genome of our object belongs to a more ancient group of the blood flukes infecting waterfowl, namely, Trichobilharzia, and is still virtually unexplored.
In the evolution of a more ancient group of schistosomes, namely, avian schistosomes, multiple repeated changes of the definitive and intermediate hosts could also occur as well as generating of new molecular adaptations, and increasing the transposition activity of TEs may serve as markers of such events.
Group 1 is evolutionary more ancient than group 2 and is likely to contain basic functions that are essential to both vertebrate and invertebrate species.
After this period of destruction, K'inich Yo'nal Ahk I moved his focus to the more ancient South Group, where he began to erect new buildings.
In the Anastrepha branch, species of the more ancient intrageneric taxonomic groups, such as A. serpentina, A. grandis and A. bistrigata (but not A. striata), lie in sub-branches distinct from those grouping the eight species belonging to the fraterculus taxonomic group.
This points to a more ancient split of group II phages.
