Jeholornis

Bizarre long-tailed, robust-jawed Jeholornis (almost certainly synonymous with Shenzhouraptor, and perhaps with Jixiangornis too), known from stomach contents to have eaten seeds at least occasionally, has just three very small teeth at each lower jaw tip (Zhou & Zhang 2002): the upper jaw was edentulous.

Archive 2006-07-01 Darren Naish 2006

Bizarre long-tailed, robust-jawed Jeholornis (almost certainly synonymous with Shenzhouraptor, and perhaps with Jixiangornis too), known from stomach contents to have eaten seeds at least occasionally, has just three very small teeth at each lower jaw tip (Zhou & Zhang 2002): the upper jaw was edentulous.

The war on parasites: an oviraptorosaur’s eye view Darren Naish 2006

Archaeopteryx's dethronement means the title of "oldest bird" could fall to other ancient species, such as Epidexipteryx, Jeholornis and Sapeornis, Witmer said.

msnbc.com: Top msnbc.com headlines 2011

Several of these avian dinosaur species, including Epidexipteryx, Jeholornis and Sapeornis, may then take wing as the new early birds.

NYT > Home Page By JOHN NOBLE WILFORD 2011

Jeholornis prima and the short-tailed Sapeornis chaochengensi and a miniaturized species such as Mahakala omnogova that is similar in size to

Livescience.com 2009