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Confuciusornis is a genus of basal crow-sized avialan from the Early Cretaceous Period of the Yixian and Jiufotang Formations of China, dating from 125 to 120 million years ago. Like modern birds, Confuciusornis had a toothless beak, but closer and later relatives of modern birds such as Hesperornis and Ichthyornis were toothed, indicating that ...
The group was given a phylogenetic definition by Chiappe, in 1999, who defined a node-based clade Confuciusornithidae to include only Changchengornis and Confuciusornis. [3] There are a number of features that define the clade. The most significant is the presence of a toothless jaw, which shows a more birdlike adaptation compared to Archaeopteryx.
Eoconfuciusornis was somewhat smaller than Confuciusornis, but otherwise very similar with a pointed toothless beak. Compared to the latter it had longer legs and lacked a pierced deltopectoral crest on the humerus. [1] Eoconfuciusornis was assigned to the Confuciusornithidae.
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Praeornis, from the Oxfordian-Kimmeridgian of Kazakhstan, may have been the earliest known member of Enantiornithes according to Agnolin et al. (2017). [13]Birds with confidently identified characteristics of Enantiornithes found in Albian of Australia, Maastrichtian of South America, and Campanian of Mexico (Alexornis [14]), Mongolia and western edge of prehistoric Asia suggest a worldwide ...
Scott Hartman's Confuciusornis Skeletal (2007) Dinosaurs: the most complete, up-to-date encyclopedia for dinosaur lovers of all ages, Random House ISBN: 978-0-375-82419-7.
This year, 2024, is represented by the dragon, which means last year was the year of the Rabbit. In 2025, we'll witness the Year of the Snake. If you're curious what your Chinese zodiac sign is ...
Modern fan illustration by David Demaret of the dragon Smaug from J. R. R. Tolkien's 1937 high fantasy novel The Hobbit. This is a list of dragons in popular culture.Dragons in some form are nearly universal across cultures and as such have become a staple of modern popular culture, especially in the fantasy genre.