Holtz redefined the clade in 2004 to use all of the above as specifiers except for Alioramus and Alectrosaurus, which his analysis could not place with certainty.
The work can be placed with fair certainty towards the end of the 1950s.
The relationship of this taxon to other taxa within the order is unknown (incertae sedis), and it has not yet been placed with certainty into any family.
Mr. Chailly placed the massed singers' exultant peak with total certainty, and then, in a wonderful dramatic gesture, had them seem to exceed their utmost as they rose from their seats to deliver their last measures.
Some destinations he could place with fair certainty, others remained a mystery.
An inscription places the book there with certainty by as early as the fourteenth century.
There are many limpets in the Paleozoic fossil record, from the lower Cambrian, but none can be placed with certainty in the Patellogastropoda.
The surviving members of Hrolf's crew stepped forward to study the three mainlanders, but none could place them with certainty.
Donnchadh's death can not be placed with absolute certainty, but it is possible that Donnchadh is the "Mac Somhairle" who died at Ballyshannon in 1247, mentioned in the Annals of Loch Cé:
Another William de Braose who became Bishop of Llandaff cannot be placed with certainty in this branch of the family.