Zhongjianornis an enlarged, keeled breastbone in more advanced birds. However, later analysis of the anatomy of "Z. yangi" cast doubt on this interpretation of the bird as very primitive. Research published in 2012 found that some of the apparently primitive features were due to poor preservation of the bones, and that "Zhongjianornis" is more similar in anatomy to primitive euornitheans like "Chaoyangia" and "Schizooura". A phylogenetic analysis showed that a very primitive position in the bird family tree for "Z. yangi" is unlikely given current evidence. Zhongjianornis Zhongjianornis is a genus of beaked, pigeon-sized birds from the early Cretaceous period of
Society for the Scientific Study of Psychopathy include: Society for the Scientific Study of Psychopathy The Society for the Scientific Study of Psychopathy (abbreviated SSSP) is an international learned society dedicated to promoting and advancing scientific research on the personality disorder psychopathy. It was established in 2005 and held its first meeting that year in Vancouver, British Columbia, Canada. Since then, the society has held biennial conferences to provide a venue for psychopathy researchers to present their most recent findings. As of 2009, the society had over 160 members, most of whom were from the United States. The current president of the SSSP is Adelle Forth. Previous