Original sentence: A fringe hypothesis, credited to scientific illustrator Gregory Paul and propounded in his books Predatory Dinosaurs of the World (1988) and Dinosaurs of the Air (2002), suggests that some groups of non-flying carnivorous dinosaurs - especially deinonychosaurs, but perhaps others such as oviraptorosaurs, therizinosaurs, alvarezsaurids and ornithomimosaurs - actually descend from birds.Cladistic analyses do not support Paul's hypothesis about the position of Archaeopteryx
Edited sentence: (2019), do not support Paul's hypothesis about the position of Archaeopteryx.A controversial hypothesis, credited to scientific illustrator Gregory Paul and propounded in his books Predatory Dinosaurs of the World (1988) and Dinosaurs of the Air (2002), suggests that some groups of non-flying carnivorous dinosaurs - especially deinonychosaurs, but perhaps others such as oviraptorosaurs, therizinosaurs, alvarezsaurids and ornithomimosaurs - actually descend from birds.Most subsequent Cladistic analyses, an exception being Hartmann e