Tawa's next-of-kin appears to be a South American proto-theropod called herrerasaurus.
From the sltrib.com
Herrerasaurus is named after its discoverer, Victorino Herrera.
From the newscientist.com
Herrerasaurus was a lightly built bipedal carnivore with a long tail and a relatively small head.
From the en.wikipedia.org
Herrerasaurus is something of an enigma in that it displays traits that are found in different groups of dinosaurs, and several traits found in non-dinosaurian archosaurs.
From the en.wikipedia.org
Herrerasaurus gives its name to its family, Herrerasauridae, a group of similar animals from the Late Triassic which were among the earliest of the dinosaurianevolutionary radiation.
From the en.wikipedia.org
More examples
Herrerasaur: a kind of theropod dinosaur found in Argentina
Herrerasaurus (meaning "Herrera's lizard", after the name of the rancher who discovered the first fossil of the animal) was one of the earliest dinosaurs. ...