�����������Ĺ�ԭ�״η��ֵĿ����㼣��ʯ���ÿ����㼣��ʯ�ֱ�Ϊ���������㼣�����������㼣���������������������Ͽ������ز��С����е����������㼣����Ϊ����ɽ������ӡ ( Ningxiapus liupanshanensis ichnogenus et inchnosp�� nov�� ) ������ɽ������ӡ�����֮��Ϊ1. 22; ��I ֺ��ϸ�����ڵ�IV ֺ; ��II ֺ���III ֺ֮��н�Ϊ35°����III ֺ���IV ֺ֮��н�Ϊ45° ��������������������������ӡ���·��ֵ������������㼣��ʯ��ʽ���棬��ǰ������ӡ�ij��ȴ�С�ֱ�Ϊ36 cm ��15 cm��ӦΪ�еȴ�С���������������¡���Щ�����㼣��ʯ�ķ��֣�Ϊ�о��õ����Ĺ������������̬�Ļָ��Լ�Ϊ�����ڸõ������ֿ���������ʯ�ṩ��Ҫ��Ϣ��

The first discovery of dinosaur footprints from Guyuan of Ningxia is briefly reported�� These dinosaur footprints include the ornithopod and the sauropod dinosaur footprints�� All of them are found in the Early Cretaceous deposits of Liwaxia Formation�� The ornithopod dinosaur footprint is named as Ningxiapus liupanshanensis ichnogen et inchnosp�� nov�� It is characterized by the ratio of length to width 1. 22��the first toe slender��shorter than the fourth toe��the angle between the second and the third toes 35°��and the angle between the third and fourth 45° also�� The sauropod dinosaur preserved their tracks also�� Their manus and footprints are 36 cm and 15 cm long respectively�� which implies that they were left by mid-sized sauropod dinosaurs�� The discovery of these footprints provides important information on reconstruction of paleobiogeography and paleoecology��and the discovery is very significant for searching of the dinosaur bones from this area in the near future��