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the Maniraptora, one step more derived than Ornitholestes and two more derived than the Ornithomimosauria. The alvarezsaurs are more primitive than the Oviription of Patagonykus, demonstrated that it was a link between the more primitive (basal) Alvarezsaurus and the more advanced (derived) Mononykus, and reinforced their monophyly. Parvicursor was discovered shortly after, and placed in its own family Parvicursoridae, and then Shuvuuia in 1998. Everything has since a relationship between the alvarezsaurids and the Ornithomimosauria as sister clades within either Thomas Holtz's Arctometatarsalia or Paul Sereno's Ornithomimiformes. The discovery of Haplocheirus, which exhibits transitional features between the more derived alvarezsaurs and other maniraptorans, particularly in relation to the skull structure and development of the hand, has provided further support for that rly 1971, led by the Sudanese Communist Party. Several days later, anti-communist military elements rest!
 ored Nimeiry to power. In 1972, the Addis Ababa Agreement led to a cessation of the north-south civil war and a degree of self-rule. This led to ten years hiatus in the civil war but less happily an end to American investment in the Jonglei Canal project. This had been considered absolutely essential to irrigate the Upper Nile region and to prevent an environmental catastrophe and wide-scale famine among the local tribes, most especially the Dinka. In the civil war that followed their homeland was raided looted, pillagd Justice and Equality Movement (JEM) groups in Darfur took up arms, accusing the Sudanese government of oppressing non-Arab Sudanese in favor of Sudanese Arabs, precipitating the War in D support for ending the Second Sudanese Civil War and condemnation of government support for militiasThe Japanese bullhead shark is a slow-moving predator that feeds on crustaceans, molluscs, small fishes, and sea urchins, often hunting for them while "walking" along the sea !
 bottom with alternating motions of its pectoral and pelvic fins. When prey is found, it is seized with highly protrusible jaws and grouvarezsaurs has been somewhat confused, due to different authors using different names for groups with the same definition. The family Alvarezsauridae was first coined by Jose Bonaparte in 1991, but given no specific phylogenetic definition. Novas later defined the group as the most recent common ancestor of Alvarezsaurus and Mononykus plus all its descendants, though others, such as Paul Sereno, used a more inclusive definition, such as all dinosaurs closer to Shuvuuia than to modern birds. In 2009, Livezey and Zusi used the name Alvarezsauroidea for the total group of all alvarezsaurs, restricting the name Alvarezsauridae to the clade defined by Alvarezsaurus + Mononykus. This was followed by Choiniere and colleagues in 2010, who described the first non-alvarezsaurid alvarezsauroid, Haplocheirus.[15] Some authors have used the name Mononykinae for the sub-group of alvarezsaurs including the advanced Mongolian !
 species. However, Choiniere a