A new paper is online that you may find interesting:
Matías J. Motta; Federico L. Agnolín; Federico Brissón Egli; Fernando E. Novas (2020). New theropod dinosaur from the Upper Cretaceous of Patagonia sheds light on the paravian radiation in Gondwana. The Science of Nature 107 (3): Article number 24. doi:10.1007/s00114-020-01682-1.
The recovery of Overoraptor as sister to Rahonavis in a clade sister to Avialae shows that not all non-pygostylian paravians were unenlagiids. If this phylogenetic placement holds water, then Rahonaviformes Livezey and Zusi, 2007 and Rahonavi