山西寿阳二叠系上部的锯齿龙类和二齿兽类化石

伊剑, 刘俊

Pareiasaur and dicynodont fossils from upper Permian of Shouyang, Shanxi, China

YI Jian, LIU Jun

Fig. 3 A ‘cryptodontian’ dicynodont from the Sunjiagou Formation, Shouyang, Shanxi, IVPP V 26043 A. lateral view; B. posterior view; C. dorsal view; D. ventral view Abbreviations: cp. cultriform process; Ec. ectopterygoid; F. frontal; J. jugal; L. lacrimal; lf. lacrimal foramen; M. maxilla; N. nasal; pcc. postcaniniform crest; Pl. palatine; Pm. premaxilla; Prf. prefrontal; Sp. sphenoid; Sq. squamosal; V. vomer