These physical similarities suggest that Effigia and the ornithomimid dinosaurs evolved similarly during two different eras, the scientists say.    From Wordnik.com.  [The "Ostrich Dinosaur Body Plan" has Evolved ... Twice! - The Panda's Thumb] Reference

Extreme convergence in the body plans of an early suchian (Archosauria) and ornithomimid dinosaurs (Theropoda).    From Wordnik.com.  [Hairy Museum of Natural History] Reference

Composed entirely of juveniles of a single species of ornithomimid dinosaur (Sinornithomimus dongi), the herd suggests that immature individuals were left to fend for themselves when adults were preoccupied, perhaps with nesting or brooding.    From Wordnik.com.  [Livescience.com] Reference

What makes them particularly interesting is the fact that they’ve been identified as belong to an ornithomimid (Brokenshire & Clarke 1993): a theropod clade (often known as ostrich dinosaurs) otherwise restricted to the Cretaceous.    From Wordnik.com.  [Archive 2006-12-01] Reference

Composed entirely of juveniles of a single species of ornithomimid dinosaur (.    From Wordnik.com.  [Mr. Barlow's Blog] Reference