Feather birds, Oviraptorosauria and Deinonychosauria. In 1998, the discovery of a feathered oviraptorosaurian, "Caudipteryx zoui", challenged the notion of feathers as a structure exclusive to Avialae. Buried in the Yixian Formation in Liaoning, China, "C. zoui" lived during the Early Cretaceous Period. Present on the forelimbs and tails, their integumentary structure has been accepted as pennaceous vaned feathers based on the rachis and herringbone pattern of the barbs. In the clade Deinonychosauria, the continued divergence of feathers is also apparent in the families Troodontidae and Dromaeosauridae. Branched feathers with rachis, barbs, and barbules were discovered in many members including "Sinornithosaurus millenii",
Calamus, Iowa Journal, associated himself with Mr. Barter and the paper was continued under the name of Barter and Sunderlin. It did not have a very long existence and for various reasons it suspended publication. Whip and Cook printed a newspaper here in the 1880s. It also had a very brief existence. The Calamus Record was the latest newspaper venture for Calamus. It was established in 1901 by A.J. Gault and enjoyed a longer existence than the other newspapers. Calamus is located at (41.826669, -90.759793). Olive Township, Clinton County, Iowa According to the United States Census Bureau, the city has a total