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Sixteen ( 15 new) amphibian and twenty-two ( 11 new) squamate species have been reported across China, including the oldest Chinese tetrapod Sinostega pani from the Late Devonian of Ningxia Hui Autonomous Region, the large stereospondyl amphibian Yuanansuchus laticeps from the Middle Triassic of Hubei Province, Late Jurassic/Early Cretaceous lissamphibians ( e. G., the anurans Callobatrachus sanyanensis and Mesophryne beipiaoensis, the caudates Jeholotriton paradoxus and Laccotriton subsolanus) from Northeast China, Paleogene lizards (e. G., Brevidensilacerta xichuanensis and Tinosaurus yuanquensis) from North China, and numerous lizards from the Late Cretaceous of Nei Mongol Autonomous Region.
共报道了16种两栖类和22种有鳞类,其中15种两栖类和11种有鳞类为新种,包括我国最古老的四足动物宁夏晚泥盆世的潘氏中国螈,湖北中三叠世的大型全椎两栖类宽头远安鲵,东北晚侏罗世/早白垩世的多种滑体两栖类(如无尾类三燕丽蟾和北票中蟾,有尾类奇异热河螈和东方塘螈),华北古近纪的蜥蜴类(如淅川短齿蜥和垣曲响蜥),以及内蒙古晚白垩世的多种蜥蜴类等。
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For the pentagonal, the fifth block fan-shaped, and the remaining three triangular rib angle plate on each side 4, edge angle plate 11 on each side; carapace brown, with three black longitudinal edges; shell and black, its edge angle plate with yellow; both sides of the carapace and the plastron to ligaments connected plastron in the chest, abdomen corner cubicle of the ligaments connected to the Trans-Yi Yi; means, and between the toes with webbed; tail short and pointed.
金钱龟的外型特征是头部光滑无鳞,鼓膜明显而圆;颈角板狭长,椎角板第一块为五角形,第五块呈扇形,余下3块呈三角形,肋角板每侧4块,缘角板每侧11块;背甲棕色,具3条黑色纵棱;腹甲黑色,其边缘角板带黄色;背甲与腹甲两侧以韧带相连,腹甲在胸、腹角板间亦以横贯的韧带相连;指和趾间具蹼;尾短而尖。
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cervical vertebra:颈椎
脊柱:分化为颈椎(cervical vertebra),躯干椎,荐椎(sacral vertebra)和尾椎四部; 颈椎(寰椎)一枚,具一对关节窝,与寰椎的枕髁关节; 躯干椎数量变化多(7~200 枚) ,多数前凹型或后凹型,少数为双凹型,横突不发达,无肋骨; 荐椎一枚,
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protocercal tail:原型尾
肺鱼类一方面具有某些原始特性:上、下颌由腭骨、翼骨、犁骨、夹板骨、隅骨等构成而无次生颌;脊索终生保留,组成椎骨的骨片直接连在脊索上,椎体尚未形成;心脏前有动脉圆锥;肠内具螺旋瓣;尾鳍为原型尾(protocercal tail).