Definition of Ornithuran. Meaning of Ornithuran. Synonyms of Ornithuran

- Ornithurans Temporal range: Early Cretaceous - Present, 130–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Cast skeleton of Ichthyornis dispar, Rocky Mountain Dinosaur...
- birds from the Early Cretaceous Ichthyornis was a toothed, seabird-like ornithuran from the Late Cretaceous Rhynchocephalians (which today only includes...
- after its fish-like vertebrae) is an extinct genus of toothy seabird-like ornithuran from the late Cretaceous period of North America. Its fossil remains are...
- comparative evolution. However, a neognath-like palate is also present in ornithuran birds like Ichthyornis. Neognathae was long ranked as a superorder subdivided...
- Ceramornis is a genus of ornithuran dinosaurs from the Late Cretaceous. It lived shortly before the Cretaceous–Paleogene extinction event in the Maastrichtian...
- Hesperornis (meaning "western bird") is a genus of cormorant-like Ornithuran that spanned throughout the Campanian age, and possibly even up to the early...
- Iaceornis is a genus of marine ornithuran dinosaurs closely related to modern birds. It was endemic to North America during the Late Cretaceous, living...
- Qinornis is a genus of extinct ornithuran from the early-mid-Paleocene epoch (late Danian age), about 61 million years ago. It is known from a single fossil...
- although most scientists have considered it an avialan (either a primitive ornithuran or enantiornithine). Fossils were found in the Bissekty Formation in the...
- likely weight-saving measures, and the specialized "true" pygostyles of ornithurans were adapted from these later to improve flight performance. The bird...